UPSC CDS Math Statistics Questions
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Question : 4 of 63
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Consider the following grouped frequency distribution :
If the mean of the above data is 25.2, then what is the value of p ?
| x | f |
|---|---|
| 0 - 10 | 8 |
| 10 - 20 | 12 |
| 20 - 30 | 10 |
| 30 - 40 | P |
| 40 - 50 | 9 |
If the mean of the above data is 25.2, then what is the value of p ?
[2019 CDS-I]
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