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| 1 | |
What is the main difference between primary and secondary data? |
| | A) | Primary data comes from surveys; secondary data comes from the Internet. |
| | B) | You collect primary data yourself; someone else collects secondary data for you. |
| | C) | You know everyone who participates in primary data, whereas secondary data is collected from strangers. |
| | D) | Primary data comes from a population; secondary data comes from samples. |
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| 2 | |
The three main types of sampling bias are: |
| | A) | Systematic, stratified, cluster. |
| | B) | Inaccurate, error-ridden, and mistaken. |
| | C) | Non-response, measurement, and response. |
| | D) | Voluntary, convenience, and random. |
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| 3 | |
Ryan wants to find out what his class wants to do with the money they collected for their teacher, who is leaving at the end of the year. He comes up with three options on his own and asks for a public class vote one day when the teacher is out of the room. This kind of bias is: |
| | A) | Measurement bias. |
| | B) | Response bias. |
| | C) | Non-response bias. |
| | D) | No bias at all. |
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| 4 | |
Mr. Wong, a biology teacher, likes to gather feedback from his students each year so he can become a better teacher. He emails all his students a voluntary questionnaire, asking them to fill it out and return it to him by the end of classes. This kind of bias is: |
| | A) | Measurement bias. |
| | B) | Response bias. |
| | C) | Non-response bias. |
| | D) | No bias at all. |
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| 5 | |
A nuclear power company conducts a phone survey in which people are asked the following questions in order:
1) Are you concerned about our society running out of electricity?
2) Are you concerned about using up non-renewable resources?
3) Are you in favour of building new nuclear power plants to guarantee clean renewable energy?
This kind of bias is: |
| | A) | Measurement bias. |
| | B) | Response bias. |
| | C) | Non-response bias. |
| | D) | No bias at all. |
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