Comcast would like to develop the ability to predict the monthly cable bill for a customer. A multiple regression model was developed using a random sample of customers using the following independent variables: TV: the number of televisions in the household People: the number of people living in the household Years: the number of years that the household has been a Comcast customer The following figure shows the regression output from Excel.
a. Calculate the multiple coefficient of determination.
b. Test the significance of the overall regression model using α = 0.05.
c. Calculate the adjusted multiple coefficient of determination.

  • CreatedJuly 29, 2015
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