Question 13: Which of the following defines the 95% confidence interval for m, if sample size is n = 25? (1 Point) O m+ 2.069 (sm) O m+ 1.714 (sm) O m= 1.711 (sm) O m + 2.064 (Sm) hs Question 14: INN (1 Point) I can compute s m only if n 1 n2 O sample sizes are the same and sample variances are the same O sample sizes are the same and population variances are assumed to be different O sample sizes are different and sample variances are different O sample sizes are the same and population variances are assumed to be the same