Mathematics
lukebrowne98
2016-04-30 22:14:12
4. Find the mean absolute deviation (MAD) for the following data: 77, 74, 81, 83, 78, 84, 79, 82, 75, 82, 79, 79
ANSWERS
Bibibi
2016-05-01 01:18:25

The MAD is 2.4861 (1repeating)  I hope that helps :-) Good luck

Nancey58
2016-05-01 01:19:40

2.26 is the Mean Absolute Deviation. This is found by finding the arithmetic mean of the dataset and finding the difference between each value and the arithmetic mean, these differences are then averaged to find the MAD.

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