What is the mean absolute deviation of the data set?
(21, 22, 24, 26, 27, 28, 20, 303
2
3
6
22

I think that the answer is 3 , because you
order the numbers from least to greatest
Then divide by how many numbers there are
Next, subtract the number you got which was 24.75 by the numbers
Once you did that with all the numbers, add then up then divide by how many numbers there are (which was 8)
That probably made no sense but I tried