Question

question 4
how can you find the mean absolute deviation (mad) for this set of data?
swim team
name age (years) mean absolute deviation
matilov 9 10 1
enrique 13 10 3
gloria 9 10 1
mckenna 10 10 0
asher 10 10 0
hannah 9 10 1
danielle 10 10 0
katy 10 10 0
timothy 11 10 1
gentry 9 10 1

1. add all of the absolute deviations and divide by the number of swimmers.
2. choose the absolute deviation that occurs the most often.
3. order the swimmers ages from youngest to oldest and choose the absolute deviation that is in the middle.

Explanation:

Mean Absolute Deviation (MAD) is calculated by first finding the mean of the dataset, then computing the absolute deviation of each data point from this mean. The final step is to find the average of these absolute deviations, which means summing all absolute deviations and dividing by the number of data points (swimmers, in this case). The other options describe finding the mode and median of absolute deviations, which are not the method for MAD.

Answer:

Add all of the absolute deviations and divide by the number of swimmers.