e table below lists pitches in a baseball game for two pitchers and the breakdown of “strikes” and “balls” (good pitches and bad pitches). The summary statistics are also listed. Pitcher Strikes Balls Total Bumgarner 76 32 108 Cueto 76 41 117 Bumgarner Cueto Sample Mean (pitches per inning) 12.0 13.0 Sample Variance (pitches per inning) 3.5 8 Sample Size (# of innings) 9 9 (an “inning” is one of the rounds in a game) Q: At the 99% level, test the alternate hypothesis that Cueto throws more pitches per inning than Bumgarner for the entire season
- e table below lists pitches in a baseball game for two pitchers and the breakdown of “strikes” and “balls” (good pitches and bad pitches). The summary statistics are also listed.
|
Pitcher |
Strikes |
Balls |
Total |
|
Bumgarner |
76 |
32 |
108 |
|
Cueto |
76 |
41 |
117 |
Bumgarner Cueto
Sample Mean (pitches per inning) 12.0 13.0
Sample Variance (pitches per inning) 3.5 8
(an “inning” is one of the rounds in a game)
Q: At the 99% level, test the alternate hypothesis that Cueto throws more pitches per inning than Bumgarner for the entire season
Step by step
Solved in 3 steps with 6 images
