1 of5

Critique the following statement. Indicate whether it is true or false and explain the rationale for your answer. (3 points)

A statement that "the 95% confidence interval for the population mean is (350, 400)" means that 95% of the population values are between 350 and 400.

2 of5

How does the graph of a t-distribution with 10 degrees of freedom compare to a t-distribution with 20 degrees of freedom? How do each compare to the Normal Distribution? (3 points)

3 of5

Describe a scenario where you would use a t-interval instead of a z-interval to determine a confidence interval. (3 points)

4 of5

Identify the three components of a Confidence Interval. Explain what each represents and the relationship between them. (3 points)

5 of5

Describe a potential issue with public opinion polls that fail to include a margin of error when reporting the results. Why is it important to include that information? (3 points)