Question

Plz answer it it's urgent
question 8​

Answer 1

heya!!!!

the fx table by line is -

0,f1,2f2,75,40,25

so sum of fx=140+f1+/2f2

and sum of frequencies-

46+f1+f2+25+10+5=200

f1+f2=114----(1)

and

mean by (sum of fx)/(sum of f)

(140+f1+2f2)/200=1.46

140+f1+2f2=292

f1+2f2=152-----(2)

on subtracting (1) and (2)

•f2=38•. put in (1)

•f1=76•

hope it is helpful

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