Chapter 6 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
