Mike is buying a car that costs $21,000. The bank loans him the money using simple interest at a rate of 5.75% annually. He doesn't touch the account for 30
months and then starts to pay off the loan. He wants to pay off the Interest first
and takes 6 months to pay it off. How much would he pay back each month to pay
off the interest? Show your work.

Aconcession manager at yankee stadium wants to know how temperature affects beer sales. she took a sample of 10 games and recorded the number of beers sold and the temperature in the middle of the game. temperature 80 68 78 79 87 74 86 92 77 84 number of beers 20533 1439 13829 21286 30985 17187 30240 87596 9610 28742 a. draw a scatter plot of the data. b. the manager estimates the regression equation to be: numberofbeers = −100, 678 + 1, 513 ∗ temperature draw this on your scatter plot. c. for one of the estimated points, indicate the residual with ei . d. for that same point, indicate what part of the variation is explained by the model with ˆyi − y¯.