A) 35.2
B) 36.1
C) 36.5
D) 39.1
Correct Answer: C
Solution :
The sum of 50 observations \[=50\times 36=1800\] \[\therefore \]The correct mean \[=\frac{1800-23+48}{50}=\frac{1825}{50}=36.5\]You need to login to perform this action.
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