Economy, asked by sainichandrasain, 3 months ago

calculated the arithmatic mean of the following fre. quency distribution use shortcut method . class interval = 10-20, 20-40,40-70,70-120,120-200.frequency =4,10,36,36,8,2

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Answered by kaal777h
0

Explanation:

the answer is in the second and explained in first

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