Problem
1. What role does the central limit theorem play in statistical hypothesis testing? In the construction of confidence intervals?
2. What is the difference between a null and alternative hypothesis? Among size, significance level, and power? Between a one-sided alternative hypothesis and a two-sided alternative hypothesis?
3. Why does a confidence interval contain more information than the result of a single hypothesis test?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.