18.10: Statistics
1.
- Population is the current representatives in the state’s congress
- 106
- the 28 representatives surveyed
- 14 out of 28 = \(\frac{1}{2}\) = 50%
- We might expect 50% of the 106 representatives = 53 representatives
3. This suffers from leading question bias
5. This question would likely suffer from a perceived lack of anonymity
7. This suffers from leading question bias
9. Quantitative
11. Observational study
13. Stratified sample
15.
- Group 1, receiving the vaccine
- Group 2 is acting as a control group. They are not receiving the treatment (new vaccine).
- The study is at least blind. We are not provided enough information to determine if it is double-blind.
- This is a controlled experiment
17.
- Census
- Observational study