The average deviation, because extreme values make the average deviation more sensitive. This can be a benefit if average values are essential, but it can also be a negative if average numbers are likely to be data mistakes or should not be given greater weight than other values. When the items you're measuring add up, average deviation makes more sense.
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Answer:
The average deviation, because extreme values make the average deviation more sensitive. This can be a benefit if average values are essential, but it can also be a negative if average numbers are likely to be data mistakes or should not be given greater weight than other values. When the items you're measuring add up, average deviation makes more sense.