Compute the mean absolute deviation for the wages in Problem 4.4. The sample mean for these wages was determined to be $270:50. Problem 4.4 A sample of 20 production workers in a small company earned...

Compute the mean absolute deviation for the wages in Problem 4.4. The sample mean for these wages was determined to be $270:50.

Problem 4.4

A sample of 20 production workers in a small company earned the following wages for a given week, rounded to the nearest dollar and arranged in ascending order: $240, 240, 240, 240, 240, 240, 240, 240, 255, 255, 265, 265, 280, 280, 290, 300, 305, 325, 330, 340.