Economy, asked by abhig3638, 17 hours ago

size 1 2 3 4 5 6 7 8 frequency 5 10 15 20 25 30 35 40 with standard deviation assume mean method

Answers

Answered by tthoufiq653

0

Answer:

5.88888889

Explanation:

by using formula x bar =a+£ fidi/£fi

is equal to 1+ 880/180 =5.88888889

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