A car company undertakes a study to see which combinations of interior color and exterior color are most appealing to consumers. They test 3 interior colors and 4 exterior colors. These cars are shown to 50 people of the target demographic who rate the attractiveness of the cars on a scale from 1-7.

1.The experimental units in this experiment are

a.the people

b.the measure of attractiveness

c.interior color

d.exterior colors

2.The factors are

a.the rating scale and interior/exterior combination

b.the interior colors

c.the people

d.interior color and exterior color