Thursday, January 19, 2012

Ch 20 Guiding Questions

1. What is a hypothesis in statistical terms? Do we prove a hypothesis?

2. What is a null hypothesis? Alternative hypothesis?

3. What does it mean to reject the null? Do we ever accept the null?

4. How is hypothesis testing like a jury trial?

5. Describe the four main elements of the reasoning of hypothesis testing (by the way, on an AP test question, each component is worth one point, so yes you need to show work for each part).

6. Describe the differences between one-sided and two-sided alternative hypothesis.

7. What is a P-value and how is it used in hypothesis testing?

8. How do confidence intervals relate to hypothesis testing?

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