Correlation Flashcards
0
Q
If the product movement correlation is closest to 1…
A
There is a positive correlation
1
Q
For correlation you are given most formulas
A
It’s just about inputting the values into these
2
Q
If the product movement correlation is 0…
A
There is no correlation.
3
Q
If the product movement correlation is closest to -1…
A
There is a negative correlation
4
Q
Is the product movement correlation r affected by coding?
A
No
5
Q
How do we code when the numbers are large?
A
Re-write variables, choosing your own a, b, c and d:
x-a y-c
p = —– and q = —–
b d
