Table 9.22 contains data from a 2 4 factorial experiment. The only additional structure is that level C of factor T is a control. This exercise is somewhat unusual in that it will require a contrast...

Table 9.22 contains data from a 2

4 factorial experiment. The only additional structure is that level C of factor T is a control. This exercise is somewhat unusual

in that it will require a contrast to see whether the control is different from the other treatments and also a paired comparison of the treatments.

Table 9.23 contains data from a 3

4 factorial experiment in which there is no structure to describe the levels of either factor.