UPSC 2017 CDS I Math Paper
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Question : 53 of 100
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Consider the following distribution :
If the mean of the above distribution is 50, what is the value off?
| Class | Frequency |
|---|---|
| 0-20 | 17 |
| 20-40 | 28 |
| 40-60 | 32 |
| 60-80 | f |
| 80-100 | 19 |
If the mean of the above distribution is 50, what is the value off?
[2017 CDS-I]
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