1. Complete the following slides to get credit

2.
What happens to the length of the CI when the sample size increases? Answer:

3. http://bcs. whfreeman. com/ips4e/cat_010/applets/confidenceinterval
What happens as you confidence level increases?
Answer:

4. Sketch the sampling distribution of xbar. Pop is N(10,4)
Sketch the sampling distribution of xbar. Pop is N(10,4). Sample size is 16. Under the distribution sketch 3 95% CI with sample means 11, 9.5 and 12. How many capture the true mean? What is the Margin of Error?

5. Find a sample size so that the ME of the last slide is not more than 1.