Find the average/mean deviation of 85, 82, 90, 81 and 92.
20 points.
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Find the average/mean deviation of 85, 82, 90, 81 and 92.
20 points.
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Answer:
85 + 82 + 90 + 81 + 92= 430 ÷ 5 = 86
Mean: 86
86-85=1 86-82=4 90-86=4 86-81=5 92-86=6
1+4+4+5+6=20÷5
MEAN DEVIATION=4
Step-by-step explanation:
Find the mean of all values
Find the distance of each value from that mean
Then find the mean of those distances