Text: Your high school guidance counselor calls and brags that she has an excellent measure that produces scores that predict college freshman grades for her senior high seniors. What evidence should she have to support this statement?
1. A Correlation Coefficient between her test and freshman GPA that is close to +1.0.
2. A Standard Error of Measurement (SEM) that is small.
3. A Regression Line that is neither linear nor restricted.
4. A Reliability Coefficient that is close to 1.0.