Correlations Flashcards
1
Q
What is a correlation?
A
The statistical technique used to determine the relationship between two or more co-variables.
2
Q
What does a positive correlation look like?
A
The direction of the correlation goes upward from left to right of the graph
3
Q
What does a negative correlation look like?
A
The direction of the correlation goes downwards from left to right of the graph.
4
Q
What does no correlation look like?
A
The correlation is spread throughout the whole graph
5
Q
What is meant by correlation coefficient?
A
The strength and direction of the correlation are quantified using a correlation which ranges from -1 to +1
6
Q
What number is a perfect +?
A
1.0
7
Q
What number is a very weak +?
A
0 to 0.2
8
Q
What is a perfect -?
A
-1.0
9
Q
What is a very weak -?
A
0 to -0.2
