Question

How do I calculate r^2 determination coefficient and what does it mean?

Answer 1

@ganeshie8 @agent0smith

Answer 2

You could look up the formula if you want to do it by hand...

Otherwise use a calculator, like a normal person.

Answer 3

I have found many formulas on the webside, so I'm a bit confused

Answer 4

I don't think I've ever worked it out by hand.

Answer 5

so what's the procedure by using calculator?

Answer 6

Depends on the calculator. It comes up on most when you do something like two variable stats. Use Google to find out how to.

Answer 7

Or do linear regression.

Answer 8

R^2 shows the percentage of variability in y that is explained by x. Google has good explanations as to the meaning of it.