For Each of the Following Scenarios Indicate Which Is the Predictor

Essay

For each of the following scenarios indicate which is the predictor variable and which
is the response variable.
a. A supermarket chain gathers data on the amount they spend on promotional material
(specials, coupons, etc.) and sales revenue generated each quarter.
b. Government-sponsored research investigated the relationship between number of hours
individuals spend on the Internet and age.
c. A real estate association conducted a study on home prices and economic strength for
different regions of the United States.