A random sample of 64 engineers in company A produces a mean salary of $84,000 with a standard deviation of $7,000; and
Posted: Wed May 11, 2022 8:36 pm
A random sample of 64 engineers in company A produces a mean salary of $84,000 with a standard deviation of $7,000; and a random sample of 36 engineers in company B produces a mean salary of $90,000 with a standard deviation of $6,000. Can we conclude that company B pays its engineers more than company A? Use an a = 0.05 level of significance. Q =