For the fecal fat example of Table 7.1, analyze the difference between capsule and coated capsules in two ways. First, use the “derived variable” approach to perform a paired t-test. Second, in the...

For the fecal fat example of Table 7.1, analyze the difference between capsule and coated capsules in two ways. First, use the “derived variable” approach to perform a paired t-test. Second, in the context of the two-way ANOVA of Table 7.3, test the contrast of coated capsule versus capsule. How do the two analyses compare? What differences do you note? Why do they come about? What are the advantages and disadvantages of each?