Across
- 5. Systematically favors certain outcomes.
- 9. specific value or combination of factors
- 11. Entire group of individuals that we want information about.
- 13. Random sample chosen after dividing population into groups.
- 14. in principle, experiments can give good evidence for this.
- 16. Type of sampling that chooses individuals in eaisest manner possible.
- 17. Studying a part in order to gain information about the whole.
- 18. Third principle of experimental design.
- 20. Paradox when direction of an association is reversed when data from groups are combined into a single group.
- 22. Lack of ______ is a serious potential weakness of experiments.
- 23. Dubbed "the Father of Statistics"
- 25. First basic principle of experimental design.
- 26. His contributions to Statistics include method of least-squares and normal distributions.
Down
- 1. Representative subset of the population.
- 2. Correlation and regression are not_______to outliers.
- 3. Another name for explanatory variables in an experiment.
- 4. A dummy treatment used in experiments.
- 5. design in which random assignment of treatments is carried out within similar groups of individuals.
- 6. The best evidence for causation comes from a well designed _______.
- 7. Method used to choose the sample from the population.
- 8. Individual chosen for the sample can't be reached or does not cooperate.
- 10. Using a regression line to predict far outside the observed values or scope of the problem.
- 12. type of study that does not attempt to influence responses.
- 14. collects information from every individual in the population.
- 15. Deliberately imposes a treatment on individuals to observe responses.
- 19. Correlation and regression describe only _____ relationships.
- 21. design which treatments are randomly assigned between two similar individuals or to the same individual as in pre/post fashion:_______ pairs
- 24. Individuals in which an experiment is done.