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What is the mean absolute deviation for the data? 20, 25, 30, 30, 45 A. 5 B. 6 C. 10 D. 25
The mean absolute deviation of a set of data is the average distance between each data value and the mean.
The mean is (20+25+30+30+45)÷5=30
( |20-30|+|25-30|+|30-30|+|30-30|+|45-30| )÷5=6
The mean absolute deviation is 6.
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