Math, asked by ananthmariswamy3099, 1 year ago

Calculate the mean of the following distribution
Class interval frequency
50-60 8
60-70 6
70-80 12
80-90 11
90-100 13

Answers

Answered by navya082003
5
hey mate
here's your answer...

Xi Fi. XiFi
80 8 640
95 6 570
110 12 1320
125 11 1375
140 13 1820
sigmaFi=50 sigma XiFi=5725

mean=sigma XiFi/sigma Fi
mean=5725/50
mean=114.5

hope this helps
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