100 Words per question

1. What is a confidence interval estimate and why is it important to you as a researcher?

2. As you begin your research project you will have to start thinking about sampling your population. Some might consider this a waste of time but you believe otherwise. What are the five reasons why researchers sample? Pick at least two of these reasons and explain them in more detail.

3. Please explain the Central Limit Theorem and then the importance of it to your research.

4. What is the key difference when to use a Z or a T Distribution when you are estimating the confidence interval?