HW1

1.1

• 1.The logic of uncertainty. Also is the science of collecting, organizing, summarizing, and analysis of info to draw conclusions.
  
• 3. Individual.
• 5. Statistc
• 7. Parameter
• 9. Statistic
• 11. Parameter.
• 13. Statistic
• 15. Qualitative
• 17. Quanitative
• 19. Quanitative
• 21. Qualitative
• 23. Discrete.
• 25. Continuous.
• 27. Continuous.
• 29. Discrete.
• 39. Population: All teenagers in USA between ages 12-17 Sample: 1028 teenagers between ages 13-17 in USA.
• 40. Population: All Coke bottles that were filled on October 15 Sample: The 50 selected bottles from October 15.
• 41. Population: All the soybeans weights in the farmers crop Sample: The 100 selected soybean plant weights from the crop
• 42. Population: All US households Sample: The 50,000 selected US households

1.2

• 13. Observational Study
• 14. Experiment.
• 15. Experiment.
• 16. Observational Study
• 17. A. Cohort Study B. Response: Heart Diesease Explanatory: Level of Happiness C. The common factor such as genetics could be a confounding variable on causing emotions and heart disease.
• 18. A. Cross sectional B. Response: Occurance of skin cancer Explanatory: Daily coffee consumption C. It was important to adjust for these variables because the scientists want to eliminate possibilty of lurking variable