Suppose that each value of xi is multiplied by a positive constant a, and each value of

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Suppose that each value of xi is multiplied by a positive constant a, and each value of yi is multiplied by another positive constant b. Show that the t-statistic for testing H0: B1 = 0 versus H1: B1 = 0 is unchanged in value.
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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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