**APPSC Assistant Statistical Officer Syllabus & Exam Pattern PDF**: The Andhra Pradesh Public Service Commission has released APPSC Assistant Statistical Officer Syllabus on its Official Web portal @ **psc.ap.gov.in**. The **APPSC ASO Exam Pattern** is uploaded on this page for the sake of the Candidates. The Candidates who had applied for APPSC Jobs and preparing for ASO Exam 2023 should check this article for **APPSC Syllabus** and test pattern PDF.

Contents in this Article

**APPSC ASO Syllabus 2023 Highlights**

Organization Name | Andhra Pradesh Public Service Commission (APPSC) |

Name Of The Post | Assistant Statistical Officer (ASO) |

Category | Syllabus |

Selection Process | Prelims & Mains Exam |

Job Location | Andhra Pradesh |

Official Website | psc.ap.gov.in |

### APPSC Assistant Statistical Officer Exam Pattern 2023

### Prelims Exam Pattern

Paper | Exam Type | Topic Names | Total Questions, Marks | Exam Duration |

Screening Test | Screening Test (Objective Questions) | General Studies & Mental Ability | 150 | 150 Minutes |

Subject |

### Mains Exam Pattern

Type of Test | Subject Name | Questions, Time Duration, Marks |

Objective Type | Paper-I: General Studies & Mental Ability | 150 |

Paper-II: Subject | 150 | |

Total | 300 Marks, 300 Minutes |

__SCHEME__

WRITTEN EXAMINATION | No. of | Duration | Maximum | |

(Objective Types) Degree | ||||

Questions | (Minutes) | Marks | ||

Standard | ||||

Screening test | 150 | 150 | 150 | |

__NEGATIVE MARKS__**:** **As per G.O.Ms. No.235, Finance (HR-I, Plg & Policy)**

Dept., Dt. 06/12/2016, for each wrong answer will be | penalized with | |||||

1/3^{rd} of the marks prescribed for the question. | ||||||

Main Examination | ||||||

Paper-1 : General Studies & | 150 | 150 | 150 | |||

Mental Ability | ||||||

Paper-2 Concerned Subject | 150 | 150 | 150 | |||

Total | 300 |

__NEGATIVE MARKS__**:** **As per G.O.Ms. No.235, Finance (HR-I, Plg & Policy)** **Dept., Dt. 06/12/2016, for each wrong answer will be penalized with 1/3**^{rd}** of the marks prescribed for the question.**

The candidates have to choose one subject from the following subjects for paper – II

01. | Economics | 02. | Statistics | 03.Mathematics | |||

04. | Computer Science | 05. | Commerce | ||||

Screening Test for the post of Assistant Statistical Officers | |||||||

Syllabus | |||||||

SECTION – I | |||||||

No. of Questions75 | Marks75 |

**Download APPSC Assistant Statistical Officer Syllabus 2023 PDF**

Here we have uploaded the Subject Wise Syllabus and Detailed Exam Pattern to help the Aspirants in their Exam Preparation. So all the Applicants are advised to read this article completely and Download the **APPSC ASO Syllabus and Exam Pattern** for the Below Section for free of cost.

- Events of national and international importance.
- Current affairs- international, national and regional.
- Basics of General Science and their relevance to the day to day life. Current developments in science, technology and information technology
- History of Modern India with emphasis upon Indian national movement.
- Economic development in India since independence.
- Logical reasoning, analytical ability and data interpretation.
- Disaster management.
- Geography of India with focus on A.P
- Indian Constitution and Polity.
- Sustainable Development and Environmental Protection
- Bifurcation of Andhra Pradesh and its Administrative, Economic, Social,

Cultural, Political, and legal implications/problems, including

**a). Loss of capital city, challenges in building new capital and it’s**

financial implications.

b). Division and rebuilding of common Institutions.

c). Division of employees, their relocation and nativity issues. d). Effect of bifurcation on commerce and entrepreneurs.

e). Implications to financial resources of state government.

f). Task of post-bifurcation infrastructure development and opportunities for investments.

g). Socioeconomic, cultural and demographic impact of bifurcation.

h). Impact of bifurcation on river water sharing and consequential issues. i). AP REORGANISATION ACT, 2014 on AP and the arbitrariness of

Certain provisions.

__SECTION – II__

**No. of. Questions75** **Marks75**

**UNIT-I: Introduction to Statistics**

Meaning, importance and limitations of statistics **–**collection of data **–** primary and Secondary data. Methods of Sampling (Random, Non Random), Definition of Probability **–**Census- Schedule and questionnaire-Frequency distribution-Tabulation-Diagrammatic and graphic presentation of data.

**UNIT-II: Measures of Central Tendency:**

Meaning objectives and characteristics of measures of central tendency **–**Types of Averages: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median, Mode, Quartiles Deciles, Percentiles-Properties of averages and their applications.

**UNIT-III: Measures of Dispersion and Skewness:**

Dispersion: Meaning and properties **–**Types: Range, Quartile Deviation, Mean Deviation, Standard Deviation, Coefficient of veriation.

Skewness: Meaning **–Karl pearsons and Bowly’s measurs of skewness,** concept of kurtosis **–** normal distribution.

**Unit –IV- Measure of Relation**

Corelation meaning and uses **–** types of correlation – **karlpearson’s correlation** coefficient **– spearman’s ra**nk correlation **–** probable error.

**UNIT-V: Analysis of time series and Index Numbers**: Time Series analysis: Meaning and Uses – Components of time series **–**Measurement of trend and seasonal variations-Utility of decomposition of time series- Decentralization of data.

Index Numbers: Meaning Importance **–**Methods of construction of index numbers: Price Index Numbers,Quantity index Numbers **–** Tests of Adequacy of Index Numbers-base shifting and deflation of Index Numbers -Cost of living Index Numbers **–** Limitations of Index Numbers. Concepts of price, quantity and cost index numbers. Deflation of index numbers.

__MAIN EXAMINATION SYLLABUS__

__PAPER -I__

__GENERAL STUDIES AND MENTAL ABILITY__

- Events of national and international importance.

- Current affairs- international, national and regional.

- Basics of General Science and their relevance to the day to day life. Current developments in science, technology and information technology

- History of Modern India with emphasis upon Indian national movement.

- Economic development in India since independence.

- Logical reasoning, analytical ability and data interpretation.

- Disaster management.

- Geography of India with focus on A.P

- Indian Constitution and Polity.

- Sustainable Development and Environmental Protection

- Bifurcation of Andhra Pradesh and its Administrative, Economic, Social,

Cultural, Political, and legal implications/problems, including

**a). Loss of capital city, challenges in building new capital and it’s financial**

implications.

b). Division and rebuilding of common Institutions.

c). Division of employees, their relocation and nativity issues. d). Effect of bifurcation on commerce and entrepreneurs.

e). Implications to financial resources of state government.

f). Task of post-bifurcation infrastructure development and opportunities for investments.

g). Socioeconomic, cultural and demographic impact of bifurcation.

h). Impact of bifurcation on river water sharing and consequential issues. i). AP REORGANISATION ACT, 2014 on AP and the arbitrariness of

Certain provisions.

__PAPER-2: ECONOMICS__

**PART- I**

**General Economics**:

**Micro- Economics**: (a) Production, Agents of Production; Costs and Supply; Isoquants, (b) Consumption and Demand; Elasticity concept, (c) Market Structure and concepts of equilibrium; (d) Determination of prices; (e) Components and Theories of Distribution, (f) Elementary concepts of Welfare economics: Pareto-optimality-Private and social products consumers surplus.**Macro- Economics**: (a) National Income concepts; (b) Determinants of National income employment (c) Determinants of consumption, savings and investment, (d) Rate of Interest and its determination, (e) Interest and Profit.**Money, Banking and Public Finance**: (a) Concepts of Money and measures of money supply; velocity of money, (b) Banks and credit creation; Banks and portfolio management, (c) Central Bank and control over money supply, (d) Determination of the price level, (e) Inflation, its causes and remedies, (f) Public, Finance-Budgets-Taxes and non-tax revenues-Types of Budget deficits.**International Economics**:

- Theories of International Trade-comparative costs
**–**Hecksher-Ohlin-Gains from Trade-Terms of Trade. - Free Trade and Protection
- Balance of payments accounts and adjustment
- Exchange rate under the exchange markets
- Evolution of the International Monetary System and World Trading order-Gold Standard-the Brettonwoods system.

IMF and the World Bank and their associates.

**Floating rates-GATT and WTO:**

**Growth and Development**: (1) Meaning and measurement of growth; Growth, distribution and Welfare; (2) Characteristics of under-development; (3) Stages of Development; (4) Sources of growth-capital, Human capital, population, productivity, Trade and aid, non-economic factors; growth Strategies, (5) Planning in a mixed economy-Indicative planning-Planning and growth.

**Indian Economics:**

- Main features; Geographic size-Endowment of natural resources, Population; size composition quality and growth trend-Occupational distribution-Effects of British Rule with reference to Drain theory and Laissez Faire policy.
- Major problems, their dimensions, nature and broad causes; Mass poverty-Unemployment and its types-Economics effects of population pressure-Inequality and types thereof-Low productivity and low per capita income, Rural-urban disparities-Foreign Trade and payments imbalances. Balance of Payments and External Debt-Inflation and parallel economy and its effects-Fiscal deficit.
- Growth in income and employment since Independence-Rate, Pattern, Sectoral trends-Distributional Changes-Regional diparities.
- Economic Planning in India: Major controversies on planning in India-Alternative strategies-goals and achievements, shortfalls of different plans-planning and the Market
- Broad Fiscal, monetary, industrial trade and agricultural policies-objectives, rationale, constraints and effects.

**PART-II**

**UNIT-I: Introduction to Statistics**

Meaning, importance and limitations of statistics **–**collection of data **–** primary and Secondary data. Methods of Sampling (Random, Non Random), Definition of Probability **–**Census- Schedule and questionnaire-Frequency distribution-Tabulation-Diagrammatic and graphic presentation of data.

**UNIT-II: Measures of Central Tendency:**

Meaning objectives and characteristics of measures of central tendency **–**Types of Averages: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median, Mode, Quartiles Deciles, Percentiles-Properties of averages and their applications.

**UNIT-III: Measures of Dispersion and Skewness:**

Dispersion: Meaning and properties **–**Types: Range, Quartile Deviation, Mean Deviation, Standard Deviation, Coefficient of veriation.

Skewness: Meaning **–Karl pearsons and Bowly’s measurs of skewness, concept** of kurtosis **–** normal distribution.

**Unit –IV- Measure of Relation**

Corelation meaning and uses **–** types of correlation – **karlpearson’s correlation** coefficient **– spearman’s rank correlation –** probable error .

**UNIT-V: Analysis of time series and Index Numbers**: Time Series analysis: Meaning and Uses – Components of time series **–**Measurement of trend and seasonal variations-Utility of decomposition of time series- Decentralization of data.

Index Numbers: Meaning Importance **–**Methods of construction of index numbers: Price Index Numbers,Quantity index Numbers **–** Tests of Adequacy of Index Numbers-base shifting and deflation of Index Numbers -Cost of living Index Numbers **–** Limitations of Index Numbers. Concepts of price, quantity and cost index numbers. Deflation of index numbers.

__PAPER-2: STATISTICS__

__PART-I__

**1.Probability: **Random experiment, sample space, event, algebra of events, probability on a discrete sample space, basic theorems of probability and simple

examples based theorem, conditional, probability of an event, independent events,

**Bayer’s theorem and its application, discrete and continuous random variables and **their distributions, expectation, moments, moment generating function, joint distribution of two or more random variables, marginal and conditional distributions, independence of random variables, covariance, correlation, coefficient, distribution of a function of random variables. Bernoulli, binomial, geometric, negative binomial, hypergeometric, Poisson, multinomial, uniform, beta, exponential, gamma, cauchy, normal distributions,Cauchy **–**Schwartz and ,

**Chebyshev’s inequality, Concept of weak law of large numbers and central limit **theorem.

**2.Statistical Methods**: Measures of association and contingency, correlation ratio, multiple linear regression, multiple and partial correlations (involving three variables only), curve-fitting and principle of least squares, concepts of random sample, parameter and statistic, Z, X2, t and F statistics and their properties and applications.

3.**Statistical Inference**: Unbiasedness, consistency, efficiency, sufficiency, completeness, minimum variance unbiased estimation, meothed of moments, maximum likelihood, estimation, properties of maximum likelihood estimators, idea of a random interval, confidence intervals for the parameters of standard distributions. Simple and composite hypotheses, two kinds of errors, level of

significance, and power of a test, desirable properties of a good test, most powerful test, Neyman-Pearson lemma and its use in simple example.

Chi-square test, Wilcoxon signned rank test, run test for randomness, median test, Wilcoxon-Mann-Whitney test and Wald **–**wolfowitz run test.

**Wal’s seque**ntial probability ratio test, OC and ASN functions, application to binomial and normal distributions.

Loss function, risk function, mini-max and Bayes rules.

**Sampling Theory and Design of Experiments**: Need for sampling, basic concepts in sampling, designing large-scale sample surveys, sampling and non-sampling errors, simple random sampling, properties of a good estimator, estimation of sample size, stratified random sampling, systematic .

Analysis of variance One-way,two-way (one observation per cell) and three-way classifications, analysis of completely randomized design, randomized block design, latin square design, missing plot technique.

Vital Statistics **–** Uses, birth and death rates, life tables and their uses. Population growth measures.

Indian official statistics:- statistical organizations NSSO and CSO, their functions, National Income-Computations and uses.

Statistical Quality Control:-Its importance, uses, control charts for variables and attributes, their interpretation.

**PART-II**

**UNIT-I: Introduction to Statistics**

Meaning , importance and limitations of statistics **–**collection of data **–**primary and Secondary data.Methods of Sampling (Random, Non Random ),Defination of Probability **–**Census- Schedule and questionnaire-Frequency distribution-Tabulation-Diagrammatic and graphic presentation of data.

**UNIT-II: Measures of Central Tendency:**

Meaning objectives and characteristics of measures ofcentral tendency **–**Types of Averages:Arithmetic Mean, Geometric Mean , Harmonic Mean , Median, Mode,Quartiles Deciles, Percentiles-Properties of averages and their applications.

**UNIT-III: Measures of Dispersion and Skewness:**

Dispersion:Meaning and properties **–**Types : Range ,Quartile Deviation, Mean Deviation ,Standard Deviation,Coefficient of Veriation.

Skewness: Meaning **–Karl pearsons and Bowly’s measurs of skewness, concept** of kurtosis **–** normal distribution.

**Unit –IV- Measure of Relation:**Corelation meaning and uses** – **types of correlation – **karlpearson’s correlation coefficient – spearman’s rank correlation –**

probable error.

**UNIT-V: Analysis of time series and Index Numbers**: Time Series analysis: Meaning and Uses – Components of time series **–**Measurement of trend and seasonal variations-Utility of decomposition of time series- Decentralization of data.

Index Numbers: Meaning Importance **–**Methods of construction of index numbers: Price Index Numbers,Quantity index Numbers **–** Tests of Adequacy of Index Numbers-base shifting and deflation of Index Numbers -Cost of living Index Numbers **–** Limitatins of Index Numbers. Concepts of price, quantity and cost index numbers. Deflation of index numbers.

__PAPER-2: MATHEMATICS__

__PART-I__

**Algebra:**Elements of Set Theory; Algebra of Real and Complex numbers**including Demovire’s between Coefficients and Roots, symmetric functions of**

roots; Elements of Group Theory; Sub-Group, Cyclic groups, Permutation, Groups and their elementary properties. Rings, Integral Domains and Fields and their elementary properties.

- Vector Spaces and Matrices: Vector Space, Linear Dependence and Independence. Sub-spaces. Basis and Dimensions, Finite Dimensional Vector Spaces. Linear Transformation of a Finite dimensional vector Space, Matrix Representation. Singular and Nonsingular Transformations. Rank and nullity.
**Matrices:**Addition, Multiplication, Determinants of a Matrix, Properties of

**Determinants of order in, Inverse of a Matrix, Cramer’s rule.**

**Geometry and Vectors:**Analytic Geometry of straight lines and conics in Cartesian and Polar coordinates; Three Dimensional geometry for planes, straight lines, sphere, cone and cylinder. Addition, Subtraction and Products of Vectors and Simple applications to Geometry.**Calculus:**Functions, Sequences, Series, Limits, Continuity, Derivatives.

Application of Derivatives: Rates of change, Tangents, Normals, Maxima, Minima,

**Rolle’s Theorem, Mean value Theorems of Lagrange and Cauchy, Asymptotes,**

Curvature. Methods of finding indefinite integrals, Definite Integrals, Fundamental Theorem of integrals Calculus. Application of definite integrals to area, Length of a plane curve, Volume and Surfaces of revolution.

**Ordinary Differential Equations:**Order and Degree of a Differential Equation, First order differential Equations, Singular solution, Geometrical interpretation, Second order equations with constant cooefficients.**Mechanics:**Concepts of particles-Lamina; Rigid body; Displacement; force, Mass; Weight; Motion, Velocity; Speed; Acceleration; Parallelogram of forces; Parallelogram of velocity, acceleration; resultant; equilibrium of coplanar forces; Moments; Couples; Friction; Centre of mass, Gravity; Laws of motion; Motion of a particle in a straight line; simple Harmonic motion; Motion under conservative forces; Motion under gravity; Projectile; Escape velocity; Motion of artificial satellites.**Elements of Computer Programming:**Binary system, Octal and Hexadecimal systems. Conversion to and from Decimal systems. Codes, Bits, Bytes and Words. Memory of a computer, Arithmetic and Logical operations on numbers. Precision. AND, OR, XOR, NOT and Shit/Rotate operators, Algorithms and Flow charts.

**PART-II**

**UNIT-I: Introduction to Statistics:**

Meaning , importance and limitations of statistics **–**collection of data **–**primary and Secondary data.Methods of Sampling (Random, Non Random ),Defination of Probability **–**Census- Schedule and questionnaire-Frequency distribution-Tabulation-Diagrammatic and graphic presentation of data.

**UNIT-II: Measures of Central Tendency:**

Meaning objectives and characteristics of measures ofcentral tendency **–**Types of Averages:Arithmetic Mean, Geometric Mean , Harmonic Mean , Median, Mode,Quartiles Deciles, Percentiles-Properties of averages and their applications.

**UNIT-III: Measures of Dispersion and Skewness:**

Dispersion:Meaning and properties **–**Types : Range ,Quartile Deviation, Mean Deviation ,Standard Deviation,Coefficient of Veriation.

**–Karl pearsons and Bowly’s measurs of skewness, concept** of kurtosis **–** normal distribution.

**Unit –IV- Measure of Relation:**

Corelation meaning and uses **–** types of correlation – **karlpearson’s correlation** coefficient **– spearman’s rank correlation –** probable error.

**UNIT-V: Analysis of time series and Index Numbers**:

Time Series analysis: Meaning and Uses – Components of time series **–** Measurement of trend and seasonal variations-Utility of decomposition of time series- Decentralization of data.

Index Numbers: Meaning Importance **–**Methods of construction of index numbers: Price Index Numbers,Quantity index Numbers **–** Tests of Adequacy of Index Numbers-base shifting and deflation of Index Numbers -Cost of living Index Numbers **–** Limitatins of Index Numbers. Concepts of price, quantity and cost index numbers. Deflation of index numbers.

__PAPER-2: COMPUTER SCIENCE__

**PART-I**

**1.Introduction to Computers**: Evolution and generation of Computers Number Systems; Binary, Octal, Hexa decimal numbers systems, converting from one number system to another. Character codes, data representation, fixed and floating, binary arithmetic, Boolean algebra, Boolean functions, logic gates, logic circuits.

**2.Basic Computer Organization**: Instruction formats, addressing modes, Instruction cycle, ALU, Control unit, Micro programmed control circuit, Memory, RAM, ROM, Cache memory, Secondary memory, Input and output devices,

Interrupt and DMA.

**3.Computer Programming: ‘C’ language, data types**, variables, constants, expressions, statements, control structures, loops, functions, pointers and arrays, file-handling. Object oriented programming with C++: Classes, objects, constructors and destructors, function and operator overloading, inheritance, virtual functions, function overriding, runtime polymorphism, multiple inheritance, streams and files.

**4.Data Structures**: arrays, storage structure for arrays, stacks and queues operations and their applications, linked lists, dynamic memory allocation, linked stacks and queues, circular queues, abstract data types, Trees, binary trees, tree traversals, AVL trees, graphs, definition, representation of graphs, DFS and BFS.

**5.Operating System**: Types of Operating Systems, functions of operating systems, Processes, Threads, Inter-process communication, Concurrency, Synchronization, Deadlock, CPU scheduling, scheduling algorithms, Memory management and virtual memory, File systems, I/O systems, Protection and security.

**6.Databases**: ER-model, Relational model, Reducing E-R Diagrams to Tables, Query languages (SQL), DDL, DML, Normalization, File structures, sequential files, indexing, B and B+ trees, Hashing, Transactions and concurrency control.

**PART-II**

**UNIT-I: Introduction to Statistics:**

Meaning , importance and limitations of statistics **–**collection of data **–**primary and Secondary data.Methods of Sampling (Random, Non Random ),Defination of Probability **–**Census- Schedule and questionnaire-Frequency distribution-Tabulation-Diagrammatic and graphic presentation of data.

**UNIT-II: Measures of Central Tendency:**

Meaning objectives and characteristics of measures ofcentral tendency **–**Types of Averages:Arithmetic Mean, Geometric Mean , Harmonic Mean , Median, Mode,Quartiles Deciles, Percentiles-Properties of averages and their applications.

**UNIT-III: Measures of Dispersion and Skewness:**

Dispersion:Meaning and properties **–**Types : Range ,Quartile Deviation, Mean

Deviation ,Standard Deviation,Coefficient of Veriation.

Skewness: Meaning **–Karl pearsons and Bowly’s measurs of s**kewness, concept of kurtosis **–** normal distribution.

**Unit –IV- Measure of Relation:**

Corelation meaning and uses **–** types of correlation – **karlpearson’s correlation** coefficient **– spearman’s rank correlation –** probable error.

**UNIT-V: Analysis of time series and Index Numbers**: Time Series analysis: Meaning and Uses – Components of time series **–**Measurement of trend and seasonal variations-Utility of decomposition of time series- Decentralization of data.

Index Numbers: Meaning Importance **–**Methods of construction of index numbers: Price Index Numbers,Quantity index Numbers **–** Tests of Adequacy of Index Numbers-base shifting and deflation of Index Numbers -Cost of living Index Numbers **–** Limitatins of Index Numbers. Concepts of price, quantity and cost index numbers. Deflation of index numbers.

__PAPER-2: COMMERCE__

__PART-I__

**Unit-I: Business Economics and Financial Services:**

**Business Economics: **Introduction to economics, Nature, Scope and Importance including micro and macro economics – Demand, Supply and Market equilibrium – Market structure and Factors of production – National income, Trade cycles and International trade.

**Financial Services: **Types of banks – Banking System in India – Function & Credit Creations – Classification and Characteristics of Cheques consequences of wrongful dishonour.

**Unit-II: Financial Accounting:**

Introduction to accounting – Accounting concepts and conventions – Accounting process – Journalizing, Posting to ledger accounts – Subsidiary books including Cash book – Bank Reconciliation Statement – Preparation of Trial balance and Final Accounts – Errors and Rectification – Depreciation and Reserves – Single entry and non trading concerns.

**Unit-III: Business Organization and Management:**

Concepts of business, industry, commerce, trade, plant and firm – Forms of business organizations – Joint Stock Company – Management: Different approaches to management and functions of management – Planning and Organizing, Delegation of authority, Centralization.

**Unit-IV: Auditing & Business Laws:**

**Auditing**: Types of Audits – Advantages & Limitation of Audit – Personal Qualities of an Auditor – Audit planning & Control – Audit of Limited Companies – Investigation – Difference between Investigation and Auditing – Organizational vouching and verification. Business Correspondence and Report writing.

**Business Laws: **Law of contracts including essential elements of a valid contract, contingency contracts, performance, discharge, breach and remedies for breach of contract – Quasi contracts – Special contracts including Bailment contracts, Agency contracts – Sale of Goods Act – Conditions and warranties – Consumer Protection Act – District, State and National level councils.

**Unit-V: Cost and Management Accounting:**

Cost Accounting: Definitions, functions, advantages and limitations – Cost concepts – Cost classification – Preparation of cost sheet **–** Marginal Costing.

Management Accounting: definitions, functions, advantages and limitations – Relationship between cost, management and financial accounting – Budgets & Budgetary Control: Meaning, importance and types of Budgets – Financial statement analysis: Meaning and methods of analysis – Ratio analysis and Cash flow analysis.

**PART-II**

**UNIT-I: Introduction to Statistics:**

Meaning, importance and limitations of statistics **–**collection of data **–**primary and Secondary data. Methods of Sampling (Random, Non Random), Definition of Probability **–**Census- Schedule and questionnaire-Frequency distribution-Tabulation-Diagrammatic and graphic presentation of data.

**UNIT-II: Measures of Central Tendency:**

Meaning objectives and characteristics of measures of central tendency **–**Types of Averages: Arithmetic Mean, Geometric Mean, Harmonic Mean, Median, Mode, Quartiles Deciles, Percentiles-Properties of averages and their applications.

**UNIT-III: Measures of Dispersion and Skewness:**

Dispersion: Meaning and properties **–**Types : Range ,Quartile Deviation, Mean Deviation ,Standard Deviation,Coefficient of Veriation.

**–Karl pearsons and Bowly’s measurs of skewness, concept** of kurtosis **–** normal distribution.

**Unit –IV- Measure of Relation:**

Corelation meaning and uses **–** types of correlation – **karlpearson’s correlation** coefficient **– spearman’s rank correlation –** probable error .

**UNIT – V: Analysis of Time Series and Index Numbers:**

Time Series Analysis: Meaning and utility – Components of time series – Measurement of trend and seasonal variations – Utility of decomposition of time series – Decentralization of data.

Index Numbers: Meaning and importance – Methods of construction of index numbers: Price Index Numbers, Quantity Index Numbers – Tests of Adequacy of Index Numbers – Deflating Index Numbers – Cost of Index Numbers – Limitation of Index Numbers.

### APPSC Assistant Statistical Officer Syllabus – Frequently Asked Questions(FAQ)

#### What is APPSC Assistant Statistical Officer Syllabus??

#### What is the Exam Pattern for APPSC ASO2023?

#### Where can I Get the APPSC Assistant Statistical Officer Syllabus PDF?

**psc.ap.gov.in**

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