Analysis and interpretation of correlation Flashcards
1
Q
What is a co-variable
A
The variables measured in a correlation
2
Q
How are correlations plotted
A
Using a scattergram
3
Q
What is a correlation coefficient
A
A number between -1 and +1 that tells us the strength and direction of the relationship between the two co-variables
4
Q
What does the sign before tell us about the correlation coefficient
A
The direction of the relationship between the two co-variables (positive or negative)