Question

In the past 6 days, Carmela’s travel time to work has varied: 34 minutes, 20 minutes, 27 minutes, 21 minutes, 29 minutes, and 19 minutes. The work shown is her calculation of the mean absolute deviation of the time traveled. Which step contains the first error Carmela made?

Answer 1

Answer: Step 2, because she did not find the absolute value of all the differences.

Explanation:

Answer 2

Step 2 is the answer. You must find the absolute value after subtraction. MAD - Mean Absolute Deviation.