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MHT CET 2022 Mathematics question

MathematicsStatisticsMHT CET 2022

For the following frequency distribution

X: 5, 6, 7, 8, 10 Frequency: 3, 7, 4, 2, 4

The variance is

Answer: (A)

Solution

. , so the mean . . Variance \frac{\sum fx^2}{N}\bar$

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Question ID VK-093714