A) 8.6
B) 6.4
C) 10.6
D) 9.6
Correct Answer: A
Solution :
Arranging the given data in ascending order, we have \[34,38,42,44,46,48,54,55,63,70\] Here median, \[M=\frac{46+48}{2}=47\] [Because \[n=10\]and median is the mean of 5th and 6th terms] \[\therefore \]mean deviation \[=\frac{\sum{|{{x}_{i}}-M|}}{n}=\frac{\sum{|{{x}_{i}}-47|}}{10}\] \[=\frac{13+9+5+3+1+1+7+8+16+23}{10}\] \[=8.6\]
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