Below is the computer output for the appraised value (in thousands of dollars) and number of rooms for houses in East Meadow, New York. Predict the price of a 9 room house (in thousands of dollars) The regression equation is value 748+19.7 rooms Coef 9.718 R-sq 43.896 Stdev 19.04 2.631 t-ratio 3.93 7.49 Constant Rooms S 29.05 Analysis of Variance Source R-sq (adj) 43.0% MS 47398 844 DF 47398 60775 108173 Regression rror Total 72 73 a) 370.262 b) 257.262 c) 252.262 d) 362.262 e) 756.786 f) None of the above

Gas mileage actually varies slightly with the driving speed of a car (as well as with highway vs. city driving). suppose your car averages 33 miles per gallon on the highway if your average speed is 54 miles per hour, and it averages 22 miles per gallon on the highway if your average speed is 75 miles per hour. answer parts (a) and (b) below. a. what is the driving time for a 2000-mile trip if you drive at an average speed of 54 miles per hour? what is the driving time at 75 miles per hour? the driving time at 54 miles per hour is nothing hours. (type an integer or decimal rounded to two decimal places as needed.) the driving time is at 75 miles per hour is nothing hours. (round to two decimal places as needed.) b. assume a gasoline price of $3.33 per gallon. what is the gasoline cost for a 2000-mile trip if you drive at an average speed of 54 miles per hour? what is the gasoline cost at 75 miles per hour? the gasoline cost at 54 miles per hour is $ nothing. (round to two decimal places as needed.) the gasoline cost at 75 miles per hour is $ nothing. (round to two decimal places as needed.)