Reference no: EM133235501
Assignment:
1. What is a representative sample?
2. Why is it important to use a random sample?
3. What are the strengths and limitations (weaknesses) of a case study?
4. What is the meaning of a correlation of -0.86?
5. How do we determine cause and effect in a study?
6. What is a dependent variable?
7. What is a control group?
8. What is a placebo effect?
9. What is the meaning of a positive correlation?
10. When are correlational studies used?
11. What is the mode?
12. What is the median?
13. What are the 3 measures of variability?
14. What are the characteristics of the normal distribution?
15. What is the standard deviation?