Our goal is to calculate the linear correlation coefficient ( r) for this data. To calculate r, we will use the following ...

You can calculate the correlation coefficient to find the correlation between any two variables, whether they are market indicators, stocks, or anything else that can ...

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 ...

Plotting order statistics versus some variant of the normal scores is a standard graphical technique for assessing the assumption of normality. To obtain an objective evaluation of the normal ...