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The follow in g ta b le lists the National Basketball Association's leading scorers, their average points per game (PPG), and their average minutes per g am e (MPG) for 2008; the data are also available on the text website, labeled Points.
a. Calculate and interpret the sample correlation coefficient between PPG and MPG.
b. Specify the competing hypotheses in order to determine whether the population correlation between PPG and MPG is positive.
c. Calculate the value of the test statistic and the corresponding p -value.
d. A t the 5 % significance level, what is the conclusion to the test? Is this result surprising? Explain.
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