For each of the following problems, identify what statistical procedure you would need to use to answer the question.
| Analysis Choices | ||
|---|---|---|
| 1-sample t-test | 2-sample t-test | Paired t-test |
| 1-sample t-interval | 2-sample t-interval | Paired t-interval |
| 1 proportion Z-test | 2-proportions Z-test | Chi-square test |
| 1 proportion Z-interval | 2-proportions Z-interval | |
In doing so, consider:
Also, for any problem requiring a hypothesis test, specify the null and alternative hypotheses.
1. How tall are NCAA basketball players?
2. How much taller are NCAA basketball players than us little people?
3. How prevalent is smoking on the Penn State campus?
4. Is there a relationship between gender and having a tattoo?
5. How much more prevalent are pierced ears in the female population
than in the male population?
6. Do a majority of Penn State students think PSU meets their educational
needs?
7. How much weight do people who go on the EatNothing diet lose?
8. Does the average GPA for males differ from the average GPA for females?
9. Is there a relationship between gender and amount of alcohol (in ounces) consumed on a Saturday night?