14.6: Statistics

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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