One Sample t test.
Throughout recent seasons, Major League Baseball has been criticized for the length of the games. A report indicated that 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
|
3.52
|
2.58
|
4.45
|
2.45
|
Â
|
Can we finish off that the mean time for a game is less than 3.50 hours? Use the .05 significance level.