A supermarket chain analyzed data on sales of a particular brand of snack cracker at 104 stores for a certain one week period. The analyst tries to predict sales based on two independent variables: (i) the total sales of all brands in the snack cracker category. (ii) whether or not there was a propmotion for a competing brand at a given store. a. Develop a linear regression model that helps predict sales b. Interpret the regression coefficients. c. Make a prediction for sales in a week where promotion is held and the sales in the entire snack cracker category is 1005.

Using the exxon data as an example what would be the market capitalization of penny's pickles if each share is selling for $175.35?

Cindy recently played in a softball game in which she misplayed a ground ball for an error. later, in the same game, she made a great catch on a very difficult play. according to the self-serving bias, she would attribute her error to and her good catch to her

Consider how health insurance affects the quantity of health care services performed. suppose that the typical medical procedure has a cost of $160, yet a person with health insurance pays only $40 out of pocket. her insurance company pays the remaining $120. (the insurance company recoups the $120 through premiums, but the premium a person pays does not depend on how many procedures that person chooses to undergo.) consider the following demand curve in the market for medical care. use the black point (plus symbol) to indicate the quantity of procedures demanded if each procedure has a price of $160. then use the grey point (star symbol) to indicate the quantity of procedures demanded if each procedure has a price of $40. q d at p=$160 q d at p=$40 0 10 20 30 40 50 60 70 80 90 100 200 180 160 140 120 100 80 60 40 20 0 price of medical procedures quantity of medical procedures demand if the cost of each procedure to society is truly $160, the quantity that maximizes total surplus is procedures. economists often blame the health insurance system for excessive use of medical care. given your analysis, the use of care might be viewed as excessive because consumers get procedures whose value is than the cost of producing them.