##### Testing of hypothesis

Types of statistical hypotheses – null and alternative hypothesis, type I and type II errors, level of significance, critical value and critical region, power of the test, co. . .

Types of statistical hypotheses – null and alternative hypothesis, type I and type II errors, level of significance, critical value and critical region, power of the test, concept of p-value and use of p - value in decision making, steps used in testing of hypothesis, one sample tests for mean of normal population (for known and unknown variance), test for single proportion, test for difference between two means and two proportions, paired sample t-test; Linkage between confidence interval and testing of hypothesis; Assumptions for applying independent t-test, paired t-test; Test of equality of two variances