1. for each example determine whether the data are qualitative or quantitative. a. the colors of automobiles on a used car lot: b. the number of complaint letters received by the United States Postal Service in a given day

c. the number of seats in a movie theater d. the numbers on the shirts of a girls soccer team.

2. For each example identify the level of measurement whether the variables are measured on a nominal, ordinal, interval or ratio scale.

1. a) hair color of women on a high school tennis team:

2. b) temperatures of 26 selected refrigerators:

3. c) number of pages in your statistics book

4. d) the final grades (A, B, C, D, and F) for students in a statistics class:

5. . Identify the population and the sample.

6. a) A survey of 1212 American households found that 52% of the households own a computer.

7. b) A survey of 2625 elementary school children found that 28% of the children could be classified as obese.