sl00 
Factors and levels

sl05 
Classification variables  two groups

sl07 
Classification variables  another representation

sl10 
Simple analysis of variance

sl15 
Developing matrix notation

sl20 
Different versions of the same model

sl30 
Deviations from overall mean in matrix form

sl40 
Null hypotheses, several means

sl50 
Dependent column vectors of X

sl55 
Point estimates

sl60 
The sum of squares is welldefined

sl65 
Components of sums of squares

sl70 
Oneway anova
