NDA Math Statistics Part 2
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The total frequency is 120 . The mean is 50 .
Consider the following frequency distribution for the next three (03) items that follow Q.No 118 - 120 :
| Class | |||||
|---|---|---|---|---|---|
| Frequency | 17 | 32 | | 19 |
[NDA-I 2022]
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If the frequency of each class is doubled, then what would be the mean ?
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