15.67 For the two-way analysis of variance model with one observation per cell, write the observation from the ith group and jth block as Xij = m + Gi + Bj + eij Refer to Exercise 15.65 and consider the observation on agent B and house 1 1x21 = 2182.

a. Estimate m.

b. Estimate and interpret G2.

c. Estimate and interpret B1.

d. Estimate e21.