Test the claim that the two samples described below come from populations with the same mean. Assume that the samples are independent simple random samples. Use a significance level of α = 0.01 Sample 1: n1 = 13, x¯1 = 23, s1 = 6
Sample 2: n2 = 16, x¯2 = 29, s2 = 5.9

a. The degree of freedom is
b. The test statistic is
c. Determine the rejection region for the test of H0:μ1−μ2=0H0:μ1−μ2=0 and Ha:μ1−μ 2≠0Ha:μ1−μ2≠0
d. |t| >