What are H0 and Ha   Calculate d   Calculate sd   Find standardized test statistic   Calculate P value   __ the results ___ the same thing as using the critical value approach. ____ the null hypothesis. There _____ enough evidence to ____ the claim that pass completion percentages have ______.

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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What are H0 and Ha

 

Calculate d

 

Calculate sd

 

Find standardized test statistic

 

Calculate P value

 

__ the results ___ the same thing as using the critical value approach. ____ the null hypothesis. There _____ enough evidence to ____ the claim that pass completion percentages have ______.

The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At α = 0.05, is there enough evidence to support the claim that the pass completion percentages have changed? Complete parts (a) through (d) below.

| Player | 1    | 2    | 3    | 4    | 5    | 6    | 7    | 8    | 9    | 10   |
|--------|------|------|------|------|------|------|------|------|------|------|
| Completion percentage (freshman) | 67.3 | 62.1 | 57.8 | 61.0 | 62.5 | 50.0 | 59.0 | 64.1 | 54.4 | 58.2 |
| Completion percentage (sophomore) | 66.9 | 56.1 | 64.1 | 61.1 | 61.1 | 58.2 | 64.2 | 63.1 | 55.6 | 60.0 |

(a) Identify the claim and state \(H_0\) and \(H_a\).

What is the claim?

- A. The pass completion percentages have changed.
- B. The pass completion percentages have not changed.
- C. The pass completion percentages have increased.
- D. The pass completion percentages have decreased.
Transcribed Image Text:The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At α = 0.05, is there enough evidence to support the claim that the pass completion percentages have changed? Complete parts (a) through (d) below. | Player | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |--------|------|------|------|------|------|------|------|------|------|------| | Completion percentage (freshman) | 67.3 | 62.1 | 57.8 | 61.0 | 62.5 | 50.0 | 59.0 | 64.1 | 54.4 | 58.2 | | Completion percentage (sophomore) | 66.9 | 56.1 | 64.1 | 61.1 | 61.1 | 58.2 | 64.2 | 63.1 | 55.6 | 60.0 | (a) Identify the claim and state \(H_0\) and \(H_a\). What is the claim? - A. The pass completion percentages have changed. - B. The pass completion percentages have not changed. - C. The pass completion percentages have increased. - D. The pass completion percentages have decreased.
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