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Find the mean deviation from the mean for the data: xi 5 10 15 20 25 fi 7 4 6 3 5

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Find the mean deviation from the mean for the data:

xi 5 10 15 20 25
fi 7 4 6 3 5

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1 Answer

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Best answer

To find the mean deviation from the mean, firstly let us calculate the mean.

By using the formula,

xi fi Cumulative Frequency (xifi) |di| = |xi – Mean| fi |di|
5 7 35
10 4 40
15 6 90
20 3 60
25 5 125
Total = 25 Total = 350 Total = 158

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