This article explains the significance of linear correlation coefficients for investors, how to calculate covariance for stocks, and how investors can use correlation to predict the market.

What Correlation Can Tell You Correlation shows the strength of a relationship between two variables and is expressed numerically by the correlation coefficient.

How to Calculate the Correlation Coefficient A simple calculation method is to use what's known as the Pearson correlation coefficient calculator, named after the English mathematician Karl Pearson.

In this concluding part, we’ll test the correlation between Shell’s stock, crude oil, and natural gas prices. A correlation coefficient shows the relationship between two variables.

In this article, we will explore the theory, assumptions and interpretation of Spearman’s rank correlation, a flexible statistical tool that assesses the strength and direction of the relationship ...

This paper introduces the normal probability plot correlation coefficient as a test statistic in complete samples for the composite hypothesis of normality. The proposed test statistic is conceptually ...