HW1

1.1

• 1. The science of collecting, summarizing and analyzing inofrmation so that you can draw conclusions/answer questions
• 3. individual
• 5. statistic, parameter
• 7. parameter
• 9. statistic
• 11. parameter
• 13. statistic
• 15. qualitative
• 17. quantitative
• 19. quantitative
• 21. qualitative
• 23. discrete
• 25. continuous
• 27. continuous
• 29. discrete
• 39. population: US teens aged 13-17, sample 1028 teens aged 13-17
• 40. population: coke filled on Oct. 1, sample: 50 coke bottles
• 41. population: soybean crop, sample: 100 plants
• 42. population: United States, sample: 50,000 households

1.2

• 13. observational
• 14. experiment
• 15. experiment
• 16. observational
• 17. 1. cohort study because it’s overtime and prospective, b. response- whether the person has heart disease, explanatory: how happy they are, c. A lurking variable such as diet could have confounded the study
• 18. 1. case control because it asks people to recall habits b. response- whether they have skin cancer, explanatory- coffee drinking habits c. It could have confounded the experiemnt as a lurking variable