Abstract Abstract The parameter concept in the term least squares mean is defined and given the more meaningful name population marginal mean; and its estimation is discussed. Key Words: Population marginal mean, Estimable function, Estimated marginal mean, Least squares mean, Unequal subclass numbers, Empty cells, Covariance
![Publication Cover]({"type":"image" , "src":"/na101/home/literatum/publisher/tandf/journals/content/utas20/1980/utas20.v034.i04/utas20.v034.i04/production/utas20.v034.i04.cover.jpg"})
![Sample our Mathematics & Statistics journals, sign in here to start your FREE access for 14 days]({"type":"image" , "src" : "/sda/5943/JournalAd-Sample-Our-Journals-Maths-PB.gif"})
![Your research. Your choice. How-to guide for authors.]({"type":"image" , "src" : "/sda/110303/JournalAd-Your-Research-Your-Choice-SW.gif"})
![Format-free submission]({"type":"image" , "src" : "/sda/110123/JournalAd-Resources-FormatFree-Submission-PB.jpg"})