(f) How should the main effect of Time be interpreted? Do the sexes differ significantly in their growth rate over time? Do the diets have significantly different effects on Table 7.9 Weight of pigs of both sexes on experimental diets, recorded on nine occasions.
A B C D E F 1 Pig! Block! Diet! Sex! Time Weight 2 1 1 1 1 1 25 3 2 1 1 2 1 23 4 3 1 2 1 1 24 5 4 1 2 2 1 22 ⋅ ⋅
⋅ ⋅
⋅ ⋅
287 30 4 3 2 9 64 288 31 4 4 1 9 70 289 32 4 4 2 9 80 Sex 1=male; 2=female.
growth rate? Is there a significant interaction between the effects of Sex and Diet on growth rate?