The acme company manufactures large capacity flash drives using two different manufacturing processes. the company is interested in determining if there is a significant difference in the average manufacturing time of the two processes. for process #1, a sample of 28 items shows a sample mean of 9 minutes and a sample standard deviation of 3.5 minutes. for process #2, a sample of 23 items shows a sample mean of 13 minutes and a sample standard deviation of 4.5 minutes. at a 5% level of significance, test the claim of no difference in the average time for the two processes. what is your conclusion?