Question

9. The following data are the ages of eight male

competitors on a reality show.
21, 24, 26, 25, 20, 25, 35, 32
Find the mean and mean absolute deviation of the
data set. (Use of the charts is optional)

Answer 1

The mean is 26 The mean absolute deviation is 3,2,1,5,5,10,3

Explanation:

To find the mean you have to add all the numbers together and divide by 8 because there are 8 number so to find the mean absolute deviation of the data, start by finding the mean of the data set.

Find the sum of the data values, and divide the sum by the number of data values.

Find the absolute value of the difference between each data value and the mean: |data value – mean|.

Answer 2

The mean is 26 and the MAD is 3.75