Hypothesis tests for the correlation coefficient of a bivariate normal distribution are investigated. Some tests using reductions of the data that are not invariantly sufficient were proposed by ...

Learn about the negative correlation coefficient, its significance, comparison with other coefficients, and real-world ...

This article proposes two estimators of the correlation coefficient, ρ, when statisticians will not construct a master file on individuals because of confidentiality issues. The approach depends on ...

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 ...