To understand the role of statistics and computer applications in research.
To apply statistical techniques to research data for analyzing and interpreting data carefully.
9.00
Unit I:
Unit I
Introduction of Statistics. Classifications and Tabulation of data. Frequency Distribution. Diagrammatic(one- dimensional and two- dimensional) and Graphical presentation of data( Histogram, Frequency Polygon, Frequency curve and ogives)
Measure of Central Tendency- Mean, Median and Mode, their properties, merits and demerits.
Measure of Dispersion- Range, Quartile Deviation, Mean Deviation and standard deviation.
9.00
Unit II:
Unit II
Concept of Probability. Properties of Normal Probability Curve and its applications.
Correlation Analysis- Definition and concept, types and measures of studying correlation (Karl Pearson’s coefficient of correlation, its assumptions, properties, merits and demerits, Spearman’s Rank correlation coefficient)
Regression Analysis- Definition, concept, uses and properties. Least Square Methods, Regression Coefficients, Fitting of Regression lines.
9.00
Unit III:
Unit III
Sampling Distribution and Standard Error.
Elements of Testing a Statistical Hypothesis- Formulation of the problem, Types of errors
Level of significance, Large sample tests for proportions, Single mean and difference in two means.
9.00
Unit IV:
Unit IV
Small sample tests- Application of t- test for testing the significance of single mean & difference in two means ( independent and paired-t).
Chi-square test for testing normal population variance.
Test for goodness of fit, independence of attributes using 2x2 and rxc contingency tables).
9.00
Unit V:
Unit V
a)Definations of F test, application of F test for testing of equality of two variances.
b)Analysis of Variance- Concept , assumptions, basic idea of one way and two way classification with simple questions.
Essential Readings:
Gupta, S.P.: Statistical Methods, Sultan Chand and Company, New Delhi.
Elhane,D.N.: Fundamentals of Statistics, Kitab Mahal,Allahbad.
References:
Simpson and Kafka: Basic Statistics, Oxford and IBH Publishers.
Goon, Gupta and Das: Fundamentals of Statistics Vol. I and II.
Snedecor and Cochran: Statistical Methods, Oxford and IBH Publishers.
Shukla,M.C. and Gulshan S.S.: Statistics Theory and Practice, Sultan Chand and Company, New Delhi.
Gupta, S.C. and Kapoor V.K.: Fundamental of Mathematical Statistics, Sultan Chand and Company, New Delhi