The following Excel file Ames Housing Xisx contains data on selling price ( in thousands ) age at time of sale , and total square footage for 2 930 houses in Ames Iowa An analyst wants to predict the sale price of a home using its total square footage . She chooses to fit the following model Sale Price - OOOs = Bot B Age + B 2 SF + E Use Excel's Data Analysis feature , fit this model ( in Excel , go to Data - Data Analysis -> Regression ) Report the estimated coefficient for the Age variable ( that Is the value of by ) , to three decimal places