Statistics I Syllabus: B.Sc. CSIT 2nd Semester

Statistics I Syllabus: B.Sc. CSIT 2nd Semester (2080)

Statistics I Syllabus

General Information

Course B.SC. CSIT
Course Title Statistics I
Course No STA169
Nature of the course Theory + Lab
Semester II (Second)
Full Marks 60 + 20 + 20
Pass Marks 24 + 8 + 8
Credit Hrs. 3

CHAPTER LIST: Statistics I

S.N. Chapter Time
Unit 1 Introduction 4 Hrs
Unit 2 Descriptive Statistics 6 Hrs
Unit 3 Introduction to Probability 8 Hrs
Unit 4 Sampling 3 Hrs
Unit 5 Random Variables and Mathematical Expectation 5 Hrs
Unit 6 Probability Distributions 12 Hrs
Unit 7 Correlation and Linear Regression 7 Hrs

Course Description: This course contains basics of statistics, descriptive statistics, probability, sampling, random variables and mathematical expectations, probability distribution, correlation and regression.

Course Objectives: The main objective of this course is to impart the knowledge of descriptive statistics, correlation, regression, sampling, theoretical as well as applied knowledge of probability and some probability distributions.

Course Contents:

Unit 1: Introduction

(4 Hrs.)

Basic concept of statistics; Application of Statistics in the field of Computer Science &
Information technology; Scales of measurement; Variables; Types of Data; Notion of a statistical population

Unit 2: Descriptive Statistics

(6 Hrs.)

Measures of central tendency; Measures of dispersion; Measures of skewness; Measures of kurtosis; Moments; Steam and leaf display; five number summary; box plot Problems and illustrative examples related to computer Science and IT

Unit 3: Introduction to Probability

(8 Hrs.)

Concepts of probability; Definitions of probability; Laws of probability; Bayes theorem; prior and posterior probabilities Problems and illustrative examples related to computer Science and IT

Unit 4: Sampling

(3 Hrs.)

Definitions of population; sample survey vs. census survey; sampling error and non sampling error; Types of sampling

5. Random Variables and Mathematical Expectation

(5 Hrs.)

Concept of a random variable; Types of random variables; Probability distribution of a random variable; Mathematical expectation of a random variable; Addition and multiplicative theorems of expectation

Problems and illustrative examples related to computer Science and IT

Unit 6: Probability Distributions

(12 Hrs.)

Probability distribution function, Joint probability distribution of two random variables; Discrete distributions: Bernoulli trial, Binomial and Poisson distributions; Continuous distribution: Normal distributions; Standardization of normal distribution; Normal distribution as an approximation of Binomial and Poisson distribution; Exponential, Gamma distribution

Problems and illustrative examples related to computer Science and IT

Unit 7: Correlation and Linear Regression

(7 Hrs.)

Bivariate data; Bivariate frequency distribution; Correlation between two variables; Karl Pearson’s coefficient of correlation(r); Spearman’s rank correlation; Regression Analysis: Fitting of lines of regression by the least squares method; coefficient of determination

Problems and illustrative examples related to computer Science and IT

Laboratory Works:

The laboratory work includes using any statistical software such as Microsoft Excel, SPSS, STATA etc. whichever convenient using Practical problems to be covered in the Computerized Statistics laboratory


Practical problems

S. No. Title of the practical problems No. of practical problems
1 Computation of measures of central tendency (ungrouped and grouped data) 1
2 Computation measures of dispersion (ungrouped and grouped data) and computation of coefficient of variation 1
3 Measures of skewness and kurtosis using method of moments, Measures of Skewness using Box and whisker plot 2
4 Scatter diagram, correlation coefficient (ungrouped data) and interpretation. Compute manually and check with computer output 1
5 Fitting of lines of regression (Results to be verified with computer output) 1
6 Fitting of lines of regression and computation of correlation coefficient, Mean residual sum of squares, residual plot 1
7 Conditional probability and Bayes theorem 3
8 Obtaining descriptive statistics of probability distributions 2
9 Fitting probability distributions in real data (Binomial, Poisson and Normal) 3
Total number of practical problems 15

Statistics I Books


Text Books:

1. Michael Baron (2013). Probability and Statistics for Computer Scientists. 2nd Ed., CRC Press, Taylor & Francis Group, A Chapman & Hall Book.

2. Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, & Keying Ye (2012).
Probability & Statistics for Engineers & Scientists. 9th Ed., Printice Hall.


Iswori Rimal is the author of, a popular education platform in Nepal. Iswori helps students in their SEE, Class 11 and Class 12 studies with Complete Notes, important questions and other study materials.

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