Leslie Kramer is a writer for Institutional Investor, correspondent for CNBC, journalist for Investopedia, and managing editor for Markets Group. Correlation measures the linear relationship between ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Suzanne is a content marketer, writer, and fact-checker. She holds a Bachelor ...

Almost every day you can find in media commentary that XYZ is causing stocks to fall (or rise). Such definitive statements are common—but what’s almost always missing is statistical proof. And if you ...

Once the ranks for the two variables are found, we apply the formula for the correlation to the ranks as follows: Both Spearman’s rank and Pearson’s correlation tests share the purpose of assessing ...

Correlation measures the linear relationship between two variables. It gives an indication of the strength of the relationship by measuring and relating the variance of each. Correlation answers the ...