The following table lists the National Basketball Association's leading scorers, their average points per game (PPG), and their average minutes per game (MPG) for 2008. [You may find it useful to reference the t table.] PPG MPG D. Wade 30.1 36.1 L. James 27.1 35.3 K. Bryant D. Nowitzki 33.8 35.0 25.5 24.5 D. Granger K. Durant C. Paul C. Anthony C. Bosh B. Roy 24.4 33.9 23.8 36.8 21.5 36.3 21.5 32.5 21.4 36.1 21.3 35.3 B Click here for the Excel Data File a-1. Calculate the sample correlation coefficient between PPG and MPG. (Round intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.) Sample correlation coefficient a-2. Interpret the sample correlation coefficient between PPG and MPG. The correlation coefficient indicates a positive linear relationship. The correlation coefficient indicates a negative linear relationship. The correlation coefficient indicates no linear relationship. b. Specify the competing hypotheses in order to determine whether the population correlation between PPG and MPG is positive. OHo: Pxy = 0; HA: Pxy * 0 Ho: Pxy s 0; HA: Pxy > 0 Ho: Pxy 2 0; HA: Pxy < 0 c-1. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3 decimal places.) Test statistic

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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A-1 and c-1
The following table lists the National Basketball Association's leading scorers, their
average points per game (PPG), and their average minutes per game (MPG) for 2008.
[You may find it useful to reference the t table.]
PPG
MPG
D. Wade
30.1
36.1
L. James
27.1
35.3
33.8
K. Bryant
D. Nowitzki
25.5
24.5
35.0
24.4
D. Granger
K. Durant
C. Paul
C. Anthony
C. Bosh
B. Roy
33.9
23.8
36.8
21.5
36.3
21.5
32.5
21.4
36.1
21.3
35.3
BClick here for the Excel Data File
a-1. Calculate the sample correlation coefficient between PPG and MPG. (Round
intermediate calculations to at least 4 decimal places and final answer to 4 decimal
places.)
Sample correlation coefficient
a-2. Interpret the sample correlation coefficient between PPG and MPG.
The correlation coefficient indicates a positive linear relationship.
The correlation coefficient indicates a negative linear relationship.
The correlation coefficient indicates no linear relationship.
b. Specify the competing hypotheses in order to determine whether the population
correlation between PPG and MPG is positive.
Ho: Pxy = 0; HA: Pxy * 0
Ho: Pxy s 0; HA: Pxy
Ho: Pxy 2 0; HA: Pxy < 0
c-1. Calculate the value of the test statistic. (Round intermediate calculations to at
least 4 decimal places and final answer to 3 decimal places.)
Test statistic
Transcribed Image Text:The following table lists the National Basketball Association's leading scorers, their average points per game (PPG), and their average minutes per game (MPG) for 2008. [You may find it useful to reference the t table.] PPG MPG D. Wade 30.1 36.1 L. James 27.1 35.3 33.8 K. Bryant D. Nowitzki 25.5 24.5 35.0 24.4 D. Granger K. Durant C. Paul C. Anthony C. Bosh B. Roy 33.9 23.8 36.8 21.5 36.3 21.5 32.5 21.4 36.1 21.3 35.3 BClick here for the Excel Data File a-1. Calculate the sample correlation coefficient between PPG and MPG. (Round intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.) Sample correlation coefficient a-2. Interpret the sample correlation coefficient between PPG and MPG. The correlation coefficient indicates a positive linear relationship. The correlation coefficient indicates a negative linear relationship. The correlation coefficient indicates no linear relationship. b. Specify the competing hypotheses in order to determine whether the population correlation between PPG and MPG is positive. Ho: Pxy = 0; HA: Pxy * 0 Ho: Pxy s 0; HA: Pxy Ho: Pxy 2 0; HA: Pxy < 0 c-1. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3 decimal places.) Test statistic
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