Consider the data of Exercise 12.13 on page 452. Can the
Chapter 12, Problem 12.43(choose chapter or problem)
Consider the data of Exercise 12.13 on page 452. Can the response, wear, be explained adequately by a single variable (either viscosity or load) in an SLR rather than with the full two-variable regression? Justify your answer thoroughly through tests of hypotheses as well as comparison of the three competing models.
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