Skip to main content
Two Means - Unknown, Unequal Variance
10. Hypothesis Testing for Two Samples / Two Means - Unknown, Unequal Variance / Problem 3
Problem 3

Consider the following hypothesis test scenario. Assume random, independent samples from normally distributed populations. Find the critical values for (i) equal variances and (ii) not equal variances.
Ha:μ1>μ2H_{a}:\mu_1>\mu_2, α=0.025\alpha=0.025, n1=14 n_1 = 14 , n2=20 n_2 = 20