Statistical Research

1. Question - Design - Collect - Analyze - Report

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

2. Collects data about the characteristics of the population

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

3. Participants are divided into groups and assigned a treatment

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

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

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

5. What is being measured in a study

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

6. What type of study is this?

A) Observational Study
B) Experimental Study

7. What was the treatment?

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

8. Who were the participants

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

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

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

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

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

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

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

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