The observations show n in th e accom panying tab le w ere draw n from a ran dom ized block design w ith no interaction.

Factor B Factor A 1

2 3 4 1 2 3 2 4 2.8 2 6 5 7 6 6.0 3 8 10 9 10 9.3 5.3 6.0 6.0 6.7

a. Calculate SST, SSA, SSB, and SSE.

b. Calculate MSA, MSB, and MSE.

c. Construct an ANOVA table.

d. At the 5% significance level, do the levels of Factor B differ?

e. At the 5% significance level, do the levels of Factor A differ? P-69