Instructions: In your own words, answer or explain the following. Your answers can serve as a brief summary for chapter 5
1. What does the margin of error tell us about a sample taken from a large population?
2. What does it mean to say that a difference, in causal study outcomes, is statistically significant?
3. What is a null hypothesis in causal research and what does it mean to say that a study has failed to reject the null hypothesis?
4. How do randomized, prospective and retrospective studies differ from one another?
5. What are the major advantages and disadvantages of each type of study?
Attachment:- Chapter 5.rar