A realtor examines the factors that influence the price of a house in Arlington, Massachusetts. He collects data on recent house sales (Price) and notes each house's square footage (Sqft) as well as its number of bedroom s (Beds) and number of bathroom s (Baths). A portion of the data is shown. The entire data set is found on the text website, labeled Arlington Homes.
a. Estimate: Price = β0 + β1 Sqft + β2Beds + β3Baths + ε . Show the regression results in a well-formatted table.
b. At the 5% significance level, are the explanatory variables jointly significant in explaining Price?
c. At the 5% significance level, are all explanatory variables individually significant in explaining Price?