1. Voluntary response samples often under represent people with strong opinions. 2. Convenience samples often lead to under coverage bias. 3. Questionnaires with non-neutral wording are likely to have response bias. 4. In an observational study we impose a treatment on the subjects. 5. The entire group of individuals we want information about is called the sample.

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.

1. artillery

2. jose san martin

3.their economies remained dependent on outside powers.

4. drafted new economies

5. democracies have replaced dictatorships