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30. Spearman’s Rank Correlation Coefficient

Description

Spearman's Rank is one method of measuring the correlation between two variables. Correlation may be:
• Positive (large values of one variable associated with large values of the other variable – e.g. nitrate concentration and plant growth).
• Negative (large values of one variable associated with small values of the other – e.g. distance from town centre and pollution levels).

Correlation is measured on a scale from -1 to 1

This Environmental Studies Factsheet explains:
• Hypotheses.
• Spearman’s Rank.
• Kendall’s Rank.
• Pearson’s product moment correlation coefficient.

Download Type

.PDF (pdf) 178.616 KB

Date Published

January 2004

ISSN / ISBN

ISSN: 1351-5136

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