The empirical rule describes how points are clustered in a normally-distributed data set. It states that 95% of data fall ...

Over the last few decades, Lean Six Sigma has become an integral part of the world of business. It is one of the most ...

The diameters of 50 steel rods are measured and saved as values of the variable DISTANCE in the following data set: * data measures; input diameter @@; label diameter='Diameter in mm'; datalines; ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Somer G. Anderson is CPA, doctor of accounting, and an accounting ...

A bell curve is a graph used to visualize the distribution of a set of chosen values across a specified group that tend to have central, normal values that peak, with low and high extremes tapering ...

A P-P plot compares the empirical cumulative distribution function (ecdf) of a variable with a specified theoretical cumulative distribution function F(·). The ecdf, denoted by F n (x), is defined as ...