Question

For a data if Ef;x; = 75 and Ef; = 12, then = .​

Answer 1

Step-by-step explanation:

Given ∑f

i

x

i

=75 and

∑f

i

=15

Mean(

x

)=

∑f

i

∑f

i

x

i

=

15

75

=5

I know it's correct and mark me as brainliest pls