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The mean age of a group of 100 persons was found to be 32.02, later it was discovered that the age 57 was misread as 27. Find the correct mean.

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one month ago

2074 Points
```							incorrect sum of ages = 32.02*100= 320227 + sum of ages of rest 99 students= 3202sum of ages of rest 99 students= 3175correct mean= (sum of ages of rest 99 students + 57)/100= 32.32KINDLY APPROVE :))
```
one month ago
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Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions