answer to the mean absolute deviation set 3 3 1 2 5 3 5 4 2 2
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To find the mean absolute deviation (MAD) of a set of data, follow these steps:
Step 1: Find the mean of the data set.
Add up all the numbers and divide by the total count.
(3 + 3 + 1 + 2 + 5 + 3 + 5 + 4 + 2 + 2) / 10 = 30 / 10 = 3
Step 2: Find the absolute deviation for each number.
Subtract the mean from each number, disregarding the positive or negative sign.
|3 - 3| = 0
|3 - 3| = 0
|1 - 3| = 2
|2 - 3| = 1
|5 - 3| = 2
|3 - 3| = 0
|5 - 3| = 2
|4 - 3| = 1
|2 - 3| = 1
|2 - 3| = 1
Step 3: Find the mean of the absolute deviations.
Add up all the absolute deviations and divide by the total count.
(0 + 0 + 2 + 1 + 2 + 0 + 2 + 1 + 1 + 1) / 10 = 10 / 10 = 1
The mean absolute deviation of the data set {3, 3, 1, 2, 5, 3, 5, 4, 2, 2} is 1.
It would help if you would proofread your work before you post it.
Don't understand "mean absolute deviation set", but
Mean = ∑x /n = sum of scores divided by the number of scores.
find the mean µ, as above
for each value x, find how far it is from the mean |x-µ|
take the mean of all those deviations.
1/n ∑ |x-µ|