Q1) In recent seasons, Major League Baseball has been criticized for length of the games. Report pointed out that average game lasts three hours and 30 minutes. Sample of 17 games revealed following times to completion. (Note that minutes have been changed to fractions of hours, so that game that lasted two 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 conclude that mean time for game is less than 3.50 hours? Use.05 significance level.