1) In order to make a causal conclusion in a statistical study, the participants must be randomly assigned to the groups that will be compared in the study. True or False?

2) Consider these survey questions:

"Do you support banning prayer in schools?"

"Do you support not allowing prayer in schools?"

Based on the concepts covered in this lesson, which question will garner a higher percentage of support (i.e. a higher percentage of respondents who say "Yes")?

A) The percentages should be about the same for both questions.

B) The percentage of agreement should be higher for the first question.

C) The percentage of agreement should be higher for the second question.

3) "Don't you think that Donald Trump is an illegitimate president because of the Russian influence on the election?"This question demonstrates which of the following pitfalls?

A. Deliberate bias

B. Unnecessary complexity

C. Both A and B

D. Neither A nor B

4) The primary issue with obtainingweightdata on a group of college students by measuring theirheightwould be a(n) ____________ measure.

A. Biased

B. Unreliable

C. Invalid

5) Which of the following characteristics of a car is a measurement discrete variable?

A. whether the car has a sunroof

B. weight of the car in pounds

C. none of these