1. When Galton compared different generations of people on distributions of physical traits, he was surprised to find that:
2. Scatter is to __________ as regression line is to __________ .
3. The idea that Galton had on the grounds of Naworth Castle for how to compare different measures (like head size and height) and determine an index of correlation was the concept of:
4. A z score is to ________ as r is to __________.
5. A correlation coefficient of zero is to __________ as a correlation coefficient of one is to __________.
6. Yule's work showed that Galton's correlation coefficient was __________.
7. An example of a(n) __________ relationship is the relation between age and muscle strength.
8. A researcher is trying to predict success in college and to determine which of several predictors (high school grades, ACT or SAT scores, teachers' evaluations) is best. She would determine this using __________.
9. __________ is to r as __________ is to r squared.
10. Absence of linear relationship is to __________ as linear relationship is to __________.
11. Galton called the relationship that he found between the size of parent peas and the average size of their offspring:
12. Two variables are said to be __________ if the variation in scores on one variable is in no way connected to the variation in scores on the other variable.
