Skattee Diagrams Correlatin Flashcards
1
Q
What is an association
A
Term for a relationship between
2
Q
What can you plot at scatter diagram to show
A
Association between two variables
Correlation is a linear association - straight line 
3
Q
What is a positive correlation
A
As one variable increases the other one increases
4
Q
What is a negative correlation
A
One variable increases the other decreases
5
Q
What is zero correlation
A
The points are randomly scattered
6
Q
What words are used to describe correlation
A
Strong and weak
7
Q
What is causation
A
When a variable causes change in another
8
Q
If a changing one variable causes a change another variable what are they said to have 
A
A causal link
9
Q
What does correlation not imply
A
Causation
10
Q

A
