Question: 1. If the value of mean square error increases, will the value of the test statistic increase or decrease?
2. To better understand eating patterns that might contribute to obesity, a researcher measures the average number of calories (per meal) consumed by shift workers (morning, afternoon, night) during two seasons (summer and winter). The hypothetical results are given in the following table.
(a) Complete the F table and make a decision to retain or reject the null hypothesis for each hypothesis test.
(b) Explain why post hoc tests are not necessary.