Across
- 2. The line that makes the sum of the squared residuals as small as possible.
- 6. Measures the percent reduction in the sum of squared residuals.
- 9. A line that describes how a response variable y changes as an explanatory variable x changes.
- 12. A scatterplot that plots the residuals on the vertical axis and the explanatory variable on the horizontal axis.
- 13. Measures an outcome of a study.
- 15. Shows the relationship between two quantitative variables measured on the same individuals.
- 16. The predicted value of y when x=0.
Down
- 1. A measure of the strength and direction of a linear relationship between two quantitative variables.
- 3. Describes the predicted change in the y variable for each 1-unit increase in the x variable.
- 4. Knowing the value of one variable helps us predict the value of the other.
- 5. An individual value that falls outside the overall pattern of the relationship.
- 7. The difference between an observed value of y and the value of y predicted by the regression line.
- 8. A model in the form y=ax^2+bx+c.
- 10. Model in the form y=ab^x.
- 11. The use of a regression line for prediction far outside the interval of x values used to obtain the line.
- 14. May help predict or explain changes in a response variable.