Question
7,5,5,2,7,6,5,3,7,6
[
operatorname{mean}=frac{7+5+5+2+7+6+5+3+7+6}{10}
]
( operatorname{mean}=frac{53}{10}=5 cdot 3 )
For median arrange in ascending order.
( 2,3,5,5, frac{sqrt{5}, 6}{v}, 6,7,7,7 )
average
Median ( =5 cdot 5 )
レ (4) ( 5 cdot 3 ) and ( 5 cdot 5 )

21. The mean and median of 7, 5, 5, 2, 7, 6, 5, 3, 7,6 RRB NTPC (Phase I) 2016 (1) 5.3 and 5 (2) 5 and 6 (3) 5 and 5.5 (4) 5.3 and 5.5
Solution
