Question

Whrite the mode formula of groped data and explain the termsin it ​

Answer 1

Formula for mode of grouped data:

Mode = L + (fm−f1)h/(fm−f1)+(fm−f2)(fm−f1)+(fm−f2)

= L + (fm−f1)hh/2fm−f1−f2

Answer 2

mode of a giben data= l+(f1-f3/2f1-f2-f3)h

l=lower limit of modal class

h=class size

f1=frequency of modal class

f2=frequency of succeding class

f3= frequency of preceding class

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