Ahome appraisal company would like to develop a regression model that would predict the selling price of a house based on the age of the house in years (age), the living area of the house in square feet (living area) and the number of bedrooms (bedrooms). the given excel output shows the partially completed regression output from a random sample of homes that have recently sold. which group of independent variables is significant in this model using alphaαequals=0.05?