Problems 2 use the following to answer parts al - el: A year ago, when COVID-19 cases first skyrocketed across the U.S, the home buying market came to a screeching halt as people were advised to stay home to avoid mesing sick. At the time, it seemed the housing market was poised for a downturn. inand the opposite occurred'. When real estate transactions were allowed to resume, Americans flocked to buy homes. With many working and learning virtually, families sought more space in the suburbs. In July of Road, u.s. 30-year fixed rate mortgages fell below 3% for the first time. With the sudden crush of people working to buy homes, prices skyrocketed. By November, home prices were rising at the fastest pace since the Greet Recession, and price appreciation has yet to slow. the following date' shows the Listing versus Selling Price of 3-bedroom homes (with at least 1.5 bathrooms) Listing Price Selling Price (in dollars) (in dollars) 124900 112000 144900 156000 214900 223500 120000 126000 190000 195000 124900 140000 125000 140000 150000 148000 249900 255000 105000 108900 139900 140000 a) (1 point) The explanatory variable is: b) (1 point) The response variable is: () (3 points) Use Statkey or your graphing calculator to find the correlation: r = (Round to 3 decimal places.) d) (3 points) Does there appear to be a linear trend in the data? If so, is it positive or negative? e) (4 points) Use Statkey or your graphing calculator to find the least squares regression line to predict Selling Price from the Listing Price. (Round the answers to 2 decimal places.) Selling Price = (Listing Price)