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 ...

When you use the statistical analysis features in Excel, you are leveraging one of the most powerful tools available for data manipulation and interpretation. Excel is not just a spreadsheet ...

The mere mention of math can bring back haunting memories of unfinished exams and complex equations. But what if I told you that the math we’re about to explore confirms a lot of what you already ...