7. Correlation and Regression Flashcards
1
Q
Correlation can be… and also…
A
Positive or negative,
& Strong or weak
2
Q
PMCC
A
Pearson’s Product Moment Correlation Coefficient
3
Q
Scale of
PMCC
A
-1≤r≤1
4
Q
R interpretation for 0.9 - 1
A
Very strong
5
Q
0.7-0.9
A
Strong
6
Q
0.5-0.7
A
Moderate
7
Q
0.3-0.5
A
Weak
8
Q
0-0.3
A
No correlation