correlation Flashcards
1
Q
correlation
A
investigates the relationship between 2 variables
2
Q
positive correlation
A
both variables increase
3
Q
negative correlation
A
the values of on variable increase whilst the others decrease
4
Q
no correlation
A
no relationship between the variables
5
Q
scattergraph
A
visual display of the 2 variables expressed numerically
6
Q
correlation coefficient
A
measure of the strength of a correlation
a high value means there is a strong correlation
0 means there is no correlation