New unit! Yay!
Tonight, please complete the following (period E--I added 2 questions for you to do!)
1. Chapter 7 reading questions (using our notes and your textbook)
2. Page 160: 1,3
The chapter 7 questions are listed below (in case you forgot):
1. What are explanatory and response variables? Explain in your own words.
2. Sketch a scatterplot with a…
a. Strong negative association
b. weak positive association
c. correlation = 1
3. What does correlation measure? Be specific.
4. What types of variable(s) are shown on a scatterplot—categorical or quantitative?
5. What are the three conditions we must check before investigating correlations?
6. In describing an association, what are three features we must address?
7. What is the goal of re-expressing a scatterplot?
8. What happens to a scatterplot if we standardize all x and y values?
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