Question

there's this summation of (x-100) =52
summation of (x-100)^2 =93 ,
n=100
how to calculate pop mean and pop variance

Answer 1

Afraid that is a bit hard to understand.....

U should use proper notation (or maybe copy the problem and post it as an attachment)

Answer 2

do u know how to turn on the blue tooth from the laptop?

Answer 3

I have a button on my laptop at top left next to a wireless button, your manual should explain it for your laptop.