A recent study on the evolution of mankind shows that, with a few exceptions, world-record holders in
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A recent study on the evolution of mankind shows that, with a few exceptions, world-record holders in the 100-meter dash have progressively gotten bigger over time (The Wall Street Journal, July 22, 2009). The following table shows runners who have held the record, along with their record-holding times and heights:
A portion of the regression results from estimating Time = β0 + β1Height + is:
a. Formulate the estimated regression equation.
b. Specify the hypotheses to determine whether Height is linearly related to Time.
c. Calculate the value of the test statistic.
d. At the 5% significance level, is Height significant?Explain.
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Related Book For
Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly
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