PROBLEM 5 (14 points): Are these teams studying in average the same amount of hours at .10 significance level? Team A: Average number of extra hours: 18 hours; standard deviation = 2.5 hours; n = 10 Team B: Average number of extra hours: 19 hours; standard deviation = 3.5 hours; n = 12 PROBLEM 6 (14 points): Compare the two chocolate companies from the average ratio of fat? Test at .05 significance level Company A: Average amount of fat = 10.6 percent; standard deviation = 2.6 percent; n = 15 Company B: Average amount of fat = 10.2 percent; standard deviation = 2.4 percent; n = 10 PROBLEM 7 (14 points): Are these rides equal in terms of monetary revenue? Test at .01 significance level. I Tornado. Average daily revenue = $700.00; standard deviation = 180.0; n = 12 Double Blizzard: Average daily revenue = $690.00; standard deviation = 125.0; n = 15 Focu