Question

Ethan is counting the number of new plants that appear in his garden each day. The numbers so far are shown in the table. Which forder number of plants on day 4 will give Ethan's data a mean absolute deviation of 1.5?

A) 3
B) 4
C) 5
D) 7​

Answer 1

Answer b) 4

Explanation:

4 is the solution. There is more than one way to solve this problem. The easiest way may be to check each choice. Plug in each choice for day 4 and solve for the mean absolute deviation.