Answer:
Check the explanation
Explanation:
1. False
Voluntary response samples often over represent people with strong opinion.
2. True
Convenience samples often lead to under coverage bias.
3. True
Questionnaires with non-neutral wording are likely to have response bias.
4. False
In an observational study, we do not impose a treatment on the subjects.
5. False
The entire group of individuals we want information about iscalled the population.