Question
The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is:
Answer: Option B
- Correct sum = (36 x 50 + 48 – 23) = 1825
Correct mean =
1825 50
= 36.5
Was this answer helpful ?
- Correct sum = (36 x 50 + 48 – 23) = 1825
Correct mean =
1825 50
= 36.5
Was this answer helpful ?
More Questions on This Topic :
Latest Videos
Latest Test Papers
Submit Solution