Textbook ExpertVerified Tutor
27 Nov 2021
Given information
Use the following information to answer the next five exercises. The mean speeds of fastball pitches from two different baseball pitchers are to be compared. A sample of fastball pitches is measured from each pitcher. The populations have normal distributions. Table 10.18 shows the result. Scouters believe that Rodriguez pitches a speedier fastball.
Step-by-step explanation
Step 1.
To find the value follow the following algorithm:
- Press 'STAT'
- Twice to select TESTS.
- Select the sample T-test and press 'ENTER' as displayed below,
Then press the 'Enter' button after providing the values, it gives
As indicated in the output display, the value is .
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