Runs scored by a batsman in 10 innings are:38,70,48,34,42,55,63,46,54,44. The mean deviation about median, is

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6.4

10.6

9.6

8.6

answer is D.

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Detailed Solution

Given data ascending order 34,38,42,44,46,48,54,55,63,70 median =M=46+482=47 Mean deviation =∑|xi−M|n=∑|xi−47|10=13+9+5+3+1+1+7+8+16+2310=8610=8.6

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