Find the mean and the MAD. Note: Type your answers as decimal numbers, rounded to the nearest tenth.]

135, 160, 145, 155, 170, 150, 142

Mean:

MAD:

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20