This introduction applies to Problems 12 and 13. A simple linear relationship between the price and size of a home has ALREADY been found to be statistically significant. Since the amount of variation is still too large to make a practical confidence interval, the variable factor type of home construction" (a nominal variable) is to be introduced into the model. Five types of home construction are of interest: brick, vinyl, stone wood and steel How many additional factors are to be introduced into the mutivariate equation? O 10 1.52 pts Question 13 How many the factor de come on a bow many oumyvas wilde inorgehed to the