During recent seasons, Major League Baseball has been criticized for length of games. A report indicated that the average game lasts three hours and 30 minutes. A sample of 17 games revealed the following times to completion. (Note that the minutes have been altered to fractions of hours, so that the game that lasted two hours and 24 minutes is reported at 2.40 hours
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Sl. No.
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1
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2
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3
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4
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5
|
6
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7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
|
Time (x)
|
2.98
|
2.4
|
2.7
|
2.25
|
3.23
|
3.17
|
2.93
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3.18
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2.8
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2.38
|
3.75
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3.2
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3.27
|
2.52
|
2.58
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4.45
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2.45
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Can we conclude that the mean time for game is less than 3.50 hours? Employ the .05 significance level.