Math, asked by breeyblue, 1 year ago

how to find mean of data x:10,12,20,25,35 f:3,10,15,7,5

Answers

Answered by merabaap

1

X × f= fx
10×3=30
12×10=200
20×15=300
25×7=175
35×5=105
Sigma f=40
Sigma fx=810
mean= sigmafx÷sigmaf
810÷40= 20.25

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