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 ...

The following statements create a data set named CORD, which contains 50 breaking strengths measured in pounds per square inch (psi), and they display the cdf plot in Figure ... 6.99 7.00 6.97 7.01 ; ...