Question: 2.56. In a small-scale regression study, five observations on Y were obtained corresponding to X = 1, 4, 10, 11, and 14. Assume that o

2.56. In a small-scale regression study, five

2.56. In a small-scale regression study, five observations on Y were obtained corresponding to X = 1, 4, 10, 11, and 14. Assume that o = .6, Bo = 5, and B, = 3. a. What are the expected values of MSR and MSE here? b. For determining whether or not a regression relation exists, would it have been better or worse to have made the five observations at X = 6, 7, 8, 9, and 10? Why? Would the same answer apply if the principal purpose were to estimate the mean response for X = 8? Discuss. =

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