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3 years ago

What is the MAD of the following numbers? 2, 3, 5, 7, 8, 8, 9

Mathematics

2 answers:

enyata [817]3 years ago

8 0

The MAD is <span>2.2857142857143, so about 2</span>

Free_Kalibri [48]3 years ago

8 0

To find the MAD, you have to find the mean, or average, of the numbers first.
2+3+5+7+8+8+9=42
42/7=6

Then, you have to find the difference between the average and each data value (in absolute value)
6-2=4
6-3=3
6-5=1
7-6=1
8-6=2
8-6=2
9-6=3

Then, you add up all the differences.
4+3+1+1+2+2+3=16

And then find the mean of that number.
16/7=2 2/7
Or in decimals, this is about 2.285714

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