1. AP Statistics

2.  Has been about the distribution of sample means  and the distribution of the difference of sample means.  and the distribution of sample proportions

4.  If these conditions are met, the sampling distribution of difference of proportions is approximately normal

6. Researchers want to test the effectiveness of a new anti-anxiety medication. In clinical testing, 64 out of 200 people taking the medication report symptoms of anxiety. Of the people receiving a placebo, 92 out of 200 report symptoms of anxiety. Construct a 95% confidence interval for the true difference in the proportion of people reporting anxiety on the placebo and drug.

7. 1: Populations & Parameter of Interest 2: Procedure Name & Conditions 3: Calculations 4: Interpret Two-Proportion Z interval Researchers want to test the effectiveness of a new anti-anxiety medication. In clinical testing, 64 out of 200 people taking the medication report symptoms of anxiety. Of the people receiving a placebo, 92 out of 200 report symptoms of anxiety. Construct a 95% confidence interval for the true difference in the proportion of people reporting anxiety on the placebo and drug.

8. 1: Population, Parameter of Interest, H 0 and H a 2: Procedure Name & Conditions 3: Calculations 4: Interpret Two-Proportion Z Test

9. Researchers want to test the effectiveness of a new anti-anxiety medication. In clinical testing, 64 out of 200 people taking the medication report symptoms of anxiety. Of the people receiving a placebo, 92 out of 200 report symptoms of anxiety. Is the medication working any differently than the placebo? Test this claim at the 5% significance level.v Two-Proportion Z Test

10. 1: Population, Parameter of Interest, H 0 and H a 2: Procedure Name & Conditions 3: Calculations 4: Interpret Two-Proportion Z Test Researchers want to test the effectiveness of a new anti-anxiety medication. In clinical testing, 64 out of 200 people taking the medication report symptoms of anxiety. Of the people receiving a placebo, 92 out of 200 report symptoms of anxiety. Is the medication working any differently than the placebo? Test this claim at the 5% significance level.