• 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…


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