A) 36.12
B) 30.66
C) 29.28
D) 38.21
Correct Answer: C
Solution :
The sum of 50 numbers\[=50\times 30=1500\] \[\therefore \]Correct mean \[=\frac{1500+28+31-82-13}{50}=\frac{1464}{50}=29.28\]You need to login to perform this action.
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