a. For the data presented in Table 11.9, sketch a con-
Chapter 11, Problem 18(choose chapter or problem)
a. For the data presented in Table 11.9, sketch a con- fidence band in the xy-plane for the regression line with confidence coefficient 0.95. b. On the same graph, sketch the curves which specify the limits at each point x of a confidence interval with confidence coefficient 0.95 for the value of the regression line at the point x.
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