CPM Homework Help : ACC6 Problem 8-75

Given the two sets of data below, without doing any calculation, which one has a smaller mean absolute deviation? Why?

Set 1: $1$ , $2$ , $3$ , $4$ , $5$ , $6$ , $7$ , $8$ , $9$ , $10$

Set 2: $3$ , $3$ , $4$ , $4$ , $5$ , $5$ , $6$ , $6$ , $7$ , $7$

Hint:

Which data set has numbers that are closest to its center?

Answer:

Set 2