The following data give the selling price, square footage, number of bedrooms, and the age of the houses that have sold in a neighborhood in the past...

Second part of question...

Using the above data and develop a regression model to predict selling price based on the square footage and number of bedrooms.  Use this to predict the selling price of a 2,000 square foot house with 3 bedrooms. Compare this model with the above models. Should the number of bedrooms be included in the model? Why or why not?

please answer questions on excel sheet, with each question on different tab