Prоvide аn аpprоpriаte respоnse.Construct a 95% confidence interval for data sets A and B. Data sets A and B are dependent. Assume that the paired data came from a population that is normally distributed.
Prоvide аn аpprоpriаte respоnse.Test the hypothesis that μ1 = μ2. Two samples are randomly selected from normal populations. The sample statistics are given below. n1 = 25 n2 = 30 1 = 20 2 = 18 s1 = 1.5 s2 = 1.9