Economy, asked by Saurabh7026, 9 months ago

calculate mean from the given series by shortcut method Items-80-89,70-79,60-69,50-59,40-49,30-39,20-29,10-19 frequency-2,2,6,20,56,40,42,32

Answers

Answered by akshansh27

0

Explanation:

mujhe nahi pata google Se puch lo

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