Answer :

Final answer:

To find the mean absolute deviation (MAD) of a set of numbers, you need to calculate the absolute deviation for each number from the mean and then find the average of these deviations. The MAD for the given set of numbers is approximately 11.2.

Explanation:

To calculate the mean absolute deviation (MAD) for a set of numbers, you first need to find the mean of the set. In this case, the mean is 126. To find the absolute deviation for each number, subtract the mean from each number and take the absolute value. The absolute deviations for the numbers in the given set are: 19, 14, 8, 8, 4, 1, 4, 19, and 24. Sum up these absolute deviations, which gives you a total of 101. Divide the sum by the number of values in the set, which is 9, to find the mean absolute deviation. So, the MAD of the given set of numbers is approximately 11.2.

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