Statistical Research

1. Question - Design - Collect - Analyze - Report

A) Statistics
B) Research Cycle
C) Study
D) Question

2. Collects data about the characteristics of the population

A) Experimental Study
B) Variable of Interest
C) Research Cycle
D) Observational Study

3. Participants are divided into groups and assigned a treatment

A) Margin of Error
B) Observational Study
C) Experimental Study
D) Treatment

4. When participants show improvement simply because they are in the study, not because the treatment is effective.

A) Control Group
B) Sample
C) Placebo Effect
D) Treatment

5. What is being measured in a study

A) Study
B) Treatment
C) Variable of Interest
D) Collect

6. What type of study is this?

A) Experimental Study
B) Observational Study

7. What was the treatment?

A) Test scores
B) Coin flip
C) Students
D) Test format

8. Who were the participants

A) Mrs. Johnson
B) Students
C) Tests
D) Research

9. How was the assignment of treatment(s) accomplished?

A) Coin flip
B) Multiple-choice test
C) random selection
D) Fill-in-the-blank test

10. A local pizza shop advertises “an average delivery time of 20 minutes or less,”. What is the null hypothesis?

A) A null hypothesis cannot be made
B) The true mean delivery time is exactly 20 minutes
C) The true mean delivery time is 20 minutes or less
D) The true mean delivery time is more than 20 minutes

11. A local pizza shop advertises “an average delivery time of 20 minutes or less,”. What is the alternative hypothesis?

A) A alternative hypothesis cannot be made
B) The true mean delivery time is exactly 20 minutes
C) The true mean delivery is greater than 20 minutes
D) The true mean delivery time is 20 minutes or less

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