4. The table below shows the weights (kg) of members in a sport club. Calculate mean, median and mode of the distribution. Masses Frequency 40-49 30-m 50-59 12+m 60-69 14 70-79 8+m 80-89 7 90-99 3

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A:

Q: 2 So Adx 4-x

A: We can find the answer as below.

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A: Part (a): Given,

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A:

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A: The expression is (1/3 )r2h.Substitute r=2 and h=3 in (1/3 )r2h,