Subject
Quantitative Aptitude
Topic
Average
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 :
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 :
ক)
35খ)
36.5গ)
40ঘ)
42Explanation
Correct Sum = (36 50 + 48 - 23) = 1825. Correct mean = = 1825/50 = 36.5Related questions
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