Across
- 3. explains changes in the response variable
- 7. how closely points follow a clear form
- 10. the amount by which y is predicted to change when x increases by one unit
- 11. the graph used to show correlation that involves dots in different places
- 13. fraction of the variation in one variable that is accounted for by least-squraes regression on the other variable
- 16. a line that descries how a response variable y changes as an explanatory variable x changes
Down
- 1. measures the direction and strength of the linear relationship between two quantitative variables
- 2. the line that makes the sum of the squared residuals as small as possible
- 4. value of y when x=0
- 5. as one variable increases, the other one decreases
- 6. as one increases so does the other value of the variable
- 8. prediction for far ahead in the future. farther than the graph goes. it is dangerous
- 9. whether they are linear or not
- 12. measures an outcome of a study
- 14. positive or negative?
- 15. difference between an observed value of the response variable and the value predicted by the regression line