We have great pleasure in presenting First edition “Elements of Statistics” written for students of UG courses. The related matters are written in a simple and easily understandable.
This volume is an attempt to provide the students with thorough understanding of Elements of Statistics. We have presented the subject matter in a systematic manner with liberal use of charts and diagrams where ever necessary so as to make it interesting and sustain students’ interest.
Contents –
Unit – 1 Introduction to Statistics
Introduction
Meaning of Statistics
Scope of Statistics
Importance of Statistics
Objects of Statistics
Functions of Statistics
Limitations of Statistics
Collection of Data
Primary Data
Secondary Data
Sampling Methods of Statistics
Tabulation
Classification
Frequency Distribution
Elements of Series
Types of Series
Simple or Individual
Discrete Series
Continuous Series
Exclusive
Inclusive
Cumulative
Less than
More than
Irregular Continuous Series
Continuous Series:
Class Interval
Class Frequency
Mid-values or Central Value
Conversion of Inclusive Series into Exclusive Series
Review Questions
Unit – 2 Measures of Central Tendency
Introduction
Meaning of Average
Type of Average
Advantage of Mean, Median, Mode
Disadvantage of Mean, Median, Mode
Calculation Arithmetic Mean, Median, Mode
Review Questions
Unit – 3 Dispersion
Introduction
Meaning of Dispersion
Significance of Dispersion
Necessity of Measures of Dispersion
Methods of Measuring Dispersion
Standard Deviation
Lower Quartile
Upper Quartile
Quartile Deviation
Co-efficient of Quartile Deviation
Review Questions
Unit – 4 Skewness and Kurtosis
Introduction
Skewness
Meaning of Skewness
Concept of Skewness
Types of Skewness
Karl Pearson of Skewness
Bowley’s Coefficient of Skewness
Kurtosis
Concept of Kurtosis
Types of Kurtoses
Computation of Kurtosis
Review Questions
