1. Give a real life example of a pair variables which have an obvious correlation coefficient of 1 or close to it, expand on and explain these variables and their relationship. Describe what the scatter plot of these variables would look like?

2. what is meant by " Correlation does not imply causation"? Give an example of two variables for which there is correlation but not causation, expand and explain.

3. Explain what a regression line is, explain, in general terms, how a regression line is determined.

4. Explain what extrapolation means and how it pertains to a predictor equation. give a real world example of extrapolation that could misinform the public.

5. Give an example of a pair variable which have an obvious correlation coefficient -1 or close to it, expand on and explain these variables and their relationship. Describe what the scatter plot of these variables would look like?