Math, asked by kalepallavi, 16 hours ago

find the mean of data 15,11,11,12,13,14,13,14,15,16,16,18,12, 15,18

Answers

Answered by sanjaykumarhvs

0

Step-by-step explanation:

Mean = sum of (xi*Fi) /sum of Fi

Sum of Fi=10+1+3+4+8+10+3+1

=40

Xi* Fi =(11*10)+(12*1)+(13*3)+(14*4)+(15*8)+(16*10)+(17*3)+(18*1)

=110+12+39+56+120+160+51+18

=566

Mean =566/40

=14.15

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