Tuesday's Lunch
Special
Number
Type of
of
Food
Students
Hamburger 26
Ham/Turkey
24
Sandwich
Chicken
15
Sandwich
Sloppy Joe 35
Friday's Lunch
Special
Type of Number of
Food
Students
Taco
18
Burrito 30
Nachos 40
Baked
12
Chicken
Based on the results from the survey, what is the
probability that the cafeteria staff will select
Ham/Turkey Sandwiches on Tuesday and Nachos on
Friday?
12
125
16
25
6
25
12

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¯.