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Chapter: 12th Statistics : Chapter 4 : Correlation Analysis

Methods to find correlation

The purpose of correlation analysis is to find the existence of linear relationship between the variables.

Correlation Analysis

The purpose of correlation analysis is to find the existence of linear relationship between the variables. However, the method of calculating correlation coefficient depends on the types of measurement scale, namely, ratio scale or ordinal scale or nominal scale.

Statistical tool selection



Methods to find correlation

1. Scatter diagram

2. Karl Pearson’s product moment correlation coefficient : ‘r

3. Spearman’s Rank correlation coefficient: ‘ ρ

4. Yule’s coefficient of Association: ‘Q


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12th Statistics : Chapter 4 : Correlation Analysis : Methods to find correlation |


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