The null and alternate hypotheses are:
A random sample of 15 observations from the first population revealed a sample mean of 350 and a sample standard deviation of 12. A random sample of 17 observations from the second population revealed a sample mean of 342 and a sample standard deviation of 15. At the .10 significance level, is there a difference in the population means?
Note: Use the five-step hypothesis testing procedure for the following exercises.© BrainMass Inc. brainmass.com June 3, 2020, 7:37 pm ad1c9bdddf
Five-step hypothesis testing procedure on Students t test.