Asked by he

Find the mean absolute deviation of the following dataset. Express your answer as a decimal.

{21,25,25,26,26,27,28,30}
(1 point)
The mean absolute deviation is
.

All Answers 1

Answered by GPT-5 mini AI
Mean = (21+25+25+26+26+27+28+30)/8 = 208/8 = 26.
Absolute deviations: 5,1,1,0,0,1,2,4 → sum = 14.
MAD = 14/8 = 1.75.