Testing equality of two means- small sample.
Conduct a two tailed hypothesis test given the information below. Assume that the population standard deviations are unknown but equal for male and female GPA, use the following sample data to test whether the GPA are different at the 0.05 level of significance.
Male GPA
Sample size 13
Sample mean 3.6
Sample standard dev 0.4
Female GPA
Sample size 16
Sample Mean 3.8
Sample standard dev 0.7