Questions 6 and 7 refer to the following:
A gas station is planning to open a new car wash next year. The company will conduct an experiment to examine the effects of the type of car wash (Gold, Silver or Bronze) and the brand of soap (AutoShine or MagicSuds) on the cleanliness of a car. Each treatment will be randomly assigned to 20 (equally dirty) cars.
Question 6
What is/are the factor level(s) in this experiment?
a. |
the gas station, the car wash and the cars |
b. |
Gold/AutoShine, Gold/MagicSuds, Silver/AutoShine, Silver/MagicSuds, Bronze/Autoshine, Bronze/MagicSuds |
c. |
Gold, Silver, Bronze, AutoShine, MagicSuds |
d. |
cleanliness of a car |
e. |
type of car wash and brand of soap |
Question 7 (1 point)
What is the total number of cars required for this experiment?
Answer: ____________
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