Question

the mean of following data is xi 5 10 15 20 25 fi 3 5 8 3 1​

Answer 1

Answer:

x:- f:- f(x):-

5 3 5×3=15

10 5 10×5=50

15 8 15×8=120

20 3 20×3=60

25 1 25×1=25

€f=20 €f(x)=270

Mean=€f(x)/€f.

=270/20.

=13.5.

The symbol is not correct.

I think this is your answer.

Answer 2

Answer:

13.5 will be the answer hope it helps