1. If a study was done that asked college students exactly how many As they have obtained (e.g., 0, 1, 2, etc.), the researcher is using:
   1. A nominal measure
   2. An ordinal measure
   3. An interval measure
   4. A ratio measure
2. Provide an example of each of these two scales (ordinal and interval/ratio) that represent students performance in a statistics course.

3. You found that a zero is included in a scale of a measurement. Which of the following is correct about the measurement scale?
   1. The measurement is ratio
   2. The measurement is at least interval
   3. The measurement is at least NOT nominal
   4. The measurement is at least ordinal
   5. Nothing whatsoever about the level of measurement

4. Are the following statements True?

5. For a ratio scale it is better to use a bar graph.
   1. True/False

6. All the interval scale is ratio scale.
   1. True/False

7. All the ratio scale is interval scale
   1. True/False

8. If the measurement is in ratio scale, it has all the properties of ordinal scale True/False

9. Explain what an independent variable is.

10. Explain what a dependent variable is.

11. Provide an example description of an experimental study by specifying:

12. A research question; b) An independent variable; c) A Dependent variable