What is a correlation?
Scatter-gram that shows the relationship between two co-variables
What is a strong positive/negative correlation?
- 75 - Positive
- 0.75 - Negative
What are the + and - of using correlations?
+ Enable predictions to be made
+ Can be used when experiments would be unethical or difficult
- Can’t assume cause and effect
- Interpretation of the results of correlations can prove difficult