Suspecting that television repair shops tend to charge women more than they do men, Emily disconnected the speaker wire on her portable television and took it to a sample of 12 shops. She was given repair estimates that averaged $85, with a standard deviation of $28. Her friend John, taking the same set to another sample of 9 shops, was provided with an average estimate of $65, with a standard deviation of $21. Assuming normal populations with equal standard deviations, What is the the test statistic, t, with the 0.05 level? (Specify your answer to the 3rd decimal.)
Suspecting that television repair shops tend to charge women more than they do men, Emily disconnected...
Suspecting that television repair shops tend to charge women more than they do men, Emily disconnected the speaker wire on her portable television and took it to a sample of 12 shops. She was given repair estimates that averaged $85, with a standard deviation of $28. Her friend John, taking the same set to another sample of 9 shops, was provided with an average estimate of $65, with a standard deviation of $21. Assuming normal populations with equal standard deviations,...
partial credit,10.2.16-T Question Help Do women tend to spend more time on housework than men? If so, how much more? A study reported the results shown in the table to the right for the number of hours spent on housework per week. Complete parts a through d below. Housework Hours Gender Sample Size Mean Standard Deviation Women 476 30.1 13.1 Men 501 17.4 13.1 a. Based on this study, calculate how many more hours per week, on the average, women...