2. Consider the following split plot experimental data with random replicates. Humidity and strips are both fixed factors. Assume that humidity is the whole plot factor and strip is the subplot factor. Table 2 Humidity % Block Strip 50 70 90 1 8.1 10.0 10.6 2 36.0 21.5 19.4 34.6 30.7 23.2 8.6 5.1 4.5 2 34.5 19.9 21.7 40.7 26.4 19.4 a. Write a linear model for this experiment and explain the terms. [3 marks] b. Compute the analysis of variance. Do the data provide sufficient evidence to indicate the two factors interact? Use a = 0.05. [12 marks] c. Use the Fisher LSD method to make comparisons between pairs of strip means at 70% of humidity only. [5 marks]