An agent for a real estate company in a large city would like to be able to predict the monthly rental cost for apartments, based on the size of the apartment, as defined by square footage. A sample of eight apartments in a neighborhood was selected, and the information gathered revealed the data shown below. For these data, the regression coefcients are b0 = 249.0500 and b1 = 1.0064. Complete parts (a) through {:1}. Monthly Rent [5) ans 1,550 350 1,550 2,000 900 1,825 1,350 I: Sizersquare Feet] 350 1.200 950 1,100 1.900 650 1,350 950 What is the meaning of rL? r2 measures the proportion of variation in monthly rent that cannot be explained by the variation in apartment size. r2 measures the proportion of variation in apartment size that cannot be explained by the variation in monthly rent. V r2 measures the proportion of variation in monthly rent that can be explained by the variation in apartment size. r2 measures the proportion of variation in apartment size that can be explained by the variation in monthly rent. b. Determine the standard error of the estimate, SYX. and interpret its meaning. 5Y7: = {Round to three decimal plaoes as needed.)