Have you ever looked at data, seen a correlation coefficient of zero, and felt relieved that 'these two things are unrelated' ...

Is your company's marketing strategy being deceived by the 'appearance' of data?A major e-commerce company discovered a ...

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 ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. David Kindness is a Certified Public Accountant (CPA) and an expert ...

A correlation coefficient is a statistical measure of the degree to which changes to the value of one variable predict change to the value of another. In positively correlated variables, the value ...