The distance a basketball player runs during a game is one of the many variables used for assessing the performance of the players. 79 players are followed for a game each and the average distance ran by them is found to be 3457 meters (m) with a standard deviation of 147 m. Then the lower limit for the 95% confidence interval for the true mean is
The critical value for and degrees of freedom is
The corresponding confidence interval is computed as shown below:
The lower limit for the 95% confidence interval for the true mean is 3424.074 m.
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