# One Sample T-Test for Baseball Data

During recent seasons, Major League Baseball has been criticized for the length of the games. A report indicated that the average game lasts 3 hours and 30 minutes. A sample of 17 games revealed the following times to completion. (Note that the minutes have been changed to fractions of hours, so that a game that lasted 2 hours and 24 minutes is reported at 2.40 hours.)

2.98, 2.40, 2.70, 2.25, 3.23, 3.17, 2.93, 3.18, 2.80, 2.38, 3.75, 3.20, 3.27, 2.52, 2.58, 4.45, 2.45

Can we conclude that the mean time for a game is less than 3.50 hours? Use the .05 significance level.

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#### Solution Summary

The solution provides step by step method for the calculation of the test statistic for one sample t test. The formula for the calculation and interpretations of the results are also included.