It is also quite common to assume that the various samples have the same size n. Note that expressions for the case of samples with different sizes can be easily derived from the existing literature (see, for example,Montgomery, 2009, p. 255)
It is also quite common to assume that the various samples have the same size n. Notethat expressions for the case of samples with different sizes can be easily derived from the existing literature (see, for example,Montgomery, 2009, p. 255)