## Chapter 7 Puzzle

Across

1. half the scores are above this

3. a type of correlation reflected by a downward sloping line on a scatterplot

4. the correlation you should get if two variables are unrelated

7. a type of correlation that gives us a reason to compute correlation coefficients

8. a possible problem with archival research

Down

2. a strength of archival research

5. this coefficient reflects the size of the relationship and r-squared

6. if this happens to the range of scores, you may fail to see that two variables are related

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