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What is the meaning of a positive correlation

Assignment Help Basic Statistics
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?

Reference no: EM133235501

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