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Calculate the mean of the following distribution using Assumed Mean Method: Class Interval 0-10 10-20 20-30 30-40 40-50

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Calculate the mean of the following distribution using Assumed Mean Method:

Class Interval 0-10 10-20 20-30 30-40 40-50
Frequency 5 7 15 28 8
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Best answer

Let Assumed mean be 25

= 25 + 4.29

= 29.29

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