14. The null and alternate hypotheses are:

H0: 1 2

H1: 1 > 2

A random sample of 20 items from the first population showed a mean of 100 and

a standard deviation of 15. A sample of 16 items for the second population showed

a mean of 94 and a standard deviation of 8. Use the .05 significant level.

please explain me step by step to use in Excel.