Math, asked by gundaa1980annapurna, 9 months ago

calculate the mean for the following distribution x=5,6,7,8,9 f=4,8,14,11,3

Answers

Answered by decentdileep

11

Xi=5,6,7,8,9

Fi=4+8+14+11+3=40

Xifi=20+48+98+88+27=281

Mean(x) =sigmafixi/sigmafi

=281/40

=7.025

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