The mean of 50 observations was found to be 30. Later, it was discovered that 42 was wrongly entered as 24. The correct mean is:
CA Foundation · Quantitative Aptitude · MTP · September 2026
The mean of 50 observations was found to be 30. Later, it was discovered that 42 was wrongly entered as 24. The correct mean is:
Suggested Answer and Working Notes:
Correct Answer: Option (B)
B. 30.36
Topics: Part-C: Statistics
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