The mean of 50 observations was 36. It was found later that an observation 34 was wrongly taken as 23. The corrected new mean is :  Pick.
A) 36.0	B) 36.5	C) 36.24	D) 36.12	E) 36.22
Explanation:   Correct Sum = (36 * 50 + 434 - 23) = 1825.   Correct mean = = 1811/50 = 36.5   Answer: 36.22) 36.22
<result>E</result>
The mean of 50 observations was 36. It was found later that an observation 34 was wrongly taken as 23. The corrected new mean is :