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: