The following are the cholesterol contents in milligrams per package that four laboratories obtained for 6- ounce packages of three very similar diet foods:
Perform a two- way analysis of variance and test the null hypotheses concerning the diet foods and the laboratories at the 0.05 level of significance.
Answer to relevant QuestionsA laboratory technician measures the breaking strength of each of five kinds of linen threads by using four different measuring instruments, I1, I2, I3 and I4, and obtains the following results, in ounces: Perform a two- way ...If, in a one-way analysis of variance, the sample sizes are unequal and there are ni observations for the ith treatment, show that Is analogous to the identity of Theorem 15.1. Also show that the degrees of freedom for SST, ...Perform appropriate multiple-range tests, using the 0.05 level of significance, to characterize the differences among the DSS-level means and the storage- time means in Exercise 15.30. Estimate the values of any main effects found to be significant in Exercise 15.42. Verify the formula given on page 467 for the probability of getting u runs when u = 2k + 1, where k is a positive integer.
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