Sometimes professional basketball players aren t consistent in their performance game to game Suppose that...

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Sometimes professional basketball players aren t consistent in their performance game to game Suppose that the standard deviation of the number of points scored by shooting guards in the NBA is 8 3 A random sample of 25 games played by Derrick Rose results in a sample standard deviation of 6 7 points Assume that a normal probability plot indicates that the points scored are approcimately normally distributed Is Derrick Rose more consistent than other shooting guards in the NBA at the 0 10 level of significance The null and alternative hypothesis would be Ho o 8 3 Ho 0 25 Ho o 6 7 Ho 8 3 Ho 8 3 H 0 8 3 H 0 25 H 0 6 7 H 8 3 H 8 3 The test is right tailed left tailed two tailed O Based on a sample of 25 games The test statistic is The p value is to 2 decimals to 2 decimals

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