Suppose an appliance manufacturer is doing a regression analysis, using quarterly time-series data, of the factors affecting its sales of appliances. A regression equation was estimated between...

Suppose an appliance manufacturer is doing a regression analysis, using quarterly

time-series data, of the factors affecting its sales of appliances. A regression equation was estimated between appliance sales (in dollars) as the dependent variable

and disposable personal income and new housing starts as the independent variables. The statistical tests of the model showed large t-values for both independent

variables, along with a high r