Listed below are the winning times in seconds, of men in the 100-meter dash for consecutive summer Olympic Games, listed in order by row. Assuming that these results are sample data randomly selected from the population of all past and future Olympic Games, test the claim that the mean time is less than 10.5 seconds. What do you observe about the precision of the numbers? What extremely important characteristic of the data set is not considered in the hypothesis test?
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12.0
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11.0
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11.0
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11.2
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10.8
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10.8
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10.8
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10.6
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10.8
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10.3
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10.3
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10.3
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10.4
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10.5
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10.2
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10.0
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9.95
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10.14
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10.06
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10.25
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9.99
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9.92
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9.96
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