13.38 An experiment is conducted in which 4 treat- ments are to be compared in 5 blocks. The data are given below. Block 3 11.7 10.7 11.0 Treatment 2 4 5 12.8 10.6 11.7 14.2 11.8 9.9 13.8 3 4 11.5...

Extracted text: 13.38 An experiment is conducted in which 4 treat- ments are to be compared in 5 blocks. The data are given below. Block 3 11.7 10.7 11.0 Treatment 2 4 5 12.8 10.6 11.7 14.2 11.8 9.9 13.8 3 4 11.5 14.7 13.6 10.7 15.9 12.6 16.5 15.4 9.6 17.1 (a) Assuming a random effects model, test the hypoth- esis, at the 0.05 level of significance, that there is no difference between treatment means. (b) Compute estimates of the treatment and block vari- ance components.