4.2 Concept of Correlation
4.2.1 Scatter Plot
4.2.2 Characteristics of Correlation
4.3 Measures of Correlation
4.3.1 Parametric Statistics
4.3.2 Non-parametric Statistics
4.4 Kendall’s Rank Order Correlation (Kendall’s tau): (π)
4.4.1 Relevant Background Information on Test
4.5 Step by Step Procedure for Kendall Rank Order Correlation
4.6 Further Considerations about Kendall’s Tau
4.6.1 Comparison of Rho and Tau
4.6.2 Efficiency of Rho
4.7 Chi-Square Test
4.8 Relevant Background Information on Test
4.9 Step by Step Procedure for Chi-Square Test
4.10 Further Considerations about Chi-Square