Across
- 5. Correlation only measures the strength of _ relationships
- 6. Variable that measures the outcome of a study
- 8. a result of an experiment
- 11. the second word in the MAD
- 13. Observed - Predicted
- 14. plot that will help you identify seasonal variation
- 16. An observed effect so large it would rarely occur by chance is called statistically ____
- 18. level of significance
- 20. Symmetric, bell-shaped distribution.
- 23. assumption for t test
- 24. If a linear model is appropriate, its residual plot should have no ___
- 25. First author of our textbook
Down
- 1. Effects on a response variable can not be distinguished between variables
- 2. a dummy treatment used in experiments
- 3. Three letter abbreviation for variance of errors
- 4. An observation whose removal would markedly change the least squares line
- 7. r-squared = Coefficient of _____
- 9. alternative name for numerical variable
- 10. type of study that does not attempt to influence responses
- 12. Collects information from every individual inthe population
- 15. using a regression line to predict far outside the observed values
- 17. First basic principle of experimental design
- 19. name of the categorical variables used in regression
- 21. numerical measure that describes characteristic of population
- 22. useful for plotting a categorical variable