- Created by: gemshort
- Created on: 24-11-17 13:11
Correlation and correlation coefficients
The term correlation refers to a mathematical technique which measures the relationship or assocation between two covariables. These relationships are plotted on a scattergram where each axis represents one of the varaibles. Correlations can also be analysed using statistical tests.
Working out what a coefficient means
When calculated, a correlation produces a numerical value between -1 and +1. This tells us the strength and direction of the relationship between the two variables. A value of +1 represents a…