FULLY SOLVED BOOK LASY 5 YEARS PAPERS SOLVED PLUS GUESS

UNIT I INTRODUCTION 9
Basic definitions and rules for probability, conditional probability independence of events, Baye’s
theorem, and random variables, Probability distributions: Binomial, Poisson, Uniform and Normal
distributions.
UNIT II SAMPLING DISTRIBUTION AND ESTIMATION 9
Introduction to sampling distributions, sampling distribution of mean and proportion, application of
central limit theorem, sampling techniques. Estimation: Point and Interval estimates for population
parameters of large sample and small samples, determining the sample size.
UNIT III TESTING OF HYPOTHESIS - PARAMETIRC TESTS 9
Hypothesis testing: one sample and two sample tests for means and proportions of large samples (ztest), one sample and two sample tests for means of small samples (t-test), F-test for two sample
standard deviations. ANOVA one and two way.
UNIT IV NON-PARAMETRIC TESTS 9
Chi-square test for single sample standard deviation. Chi-square tests for independence of attributes
and goodness of fit. Sign test for paired data. Rank sum test. Kolmogorov-Smirnov – test for goodness
of fit, comparing two populations. Mann – Whitney U test and Kruskal Wallis test. One sample run test.
UNIT V CORRELATION AND REGRESSION 9
Correlation – Coefficient of Determination – Rank Correlation – Regression – Estimation of Regression
line – Method of Least Squares – Standard Error of estimate.