Use the hypothesis testing procedures to answer the problems. Please own your solutions.

A random sample of 100 observations from the first population was found to have a sample mean of 85 and a sample standard deviation of 10. A random sample of 80 observations from the second population was found to have a sample mean of 93 and a sample standard deviation of 15. At = 0.01 level of significance, is there a difference in the population means.