Regression and correlation + correlation testing Flashcards by Poppy Ruben

Q

What is PMCC (r) and what values can it be?

A

PMCC measures strength and +/- of correlation
-1 <= r <= 1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is a regression line in PMCC and correlation?

A

Regression line = line of best fit

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Correlation testing steps

A

H₀: p = 0
H₁: p >/</!= 0₀

compare r with table
if r is more extreme, reject H₀
If r is less extreme, accept H₀

How well did you know this?

1

Not at all

2

3

4

5

Perfectly