For which situations would it be appropriate to calculate a probability about the difference in sample means? Both population shapes are unknown. 14 = 50 and n2 = 100.
Population 1 is skewed right and population 2 is approximately Normal. n1 = 50 and n2 = 10.
Both populations are skewed right. ny = 5 and n2 = 10.
Population 1 is skewed right and population 2 is approximately Normal. n1 = 10 and n2 = 50.
Both populations have unknown shapes. n = 50 and n2 = 100.
Both populations are skewed left. ny = 5 and n2 = 40.