Question

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 (1 point)

What is/are the factor level(s) in this experiment?

Question 6 options:

	type of car wash and brand of soap
	Gold/AutoShine, Gold/MagicSuds, Silver/AutoShine, Silver/MagicSuds, Bronze/Autoshine, Bronze/MagicSuds
	cleanliness of a car
	Gold, Silver, Bronze, AutoShine, MagicSuds
	the gas station, the car wash and the cars

Question 7 (1 point)

What is the total number of cars required for this experiment?

Your Answer: ____________

Answer 1

Ans:

6)

Correct option is:

Gold/AutoShine, Gold/MagicSuds, Silver/AutoShine, Silver/MagicSuds, Bronze/Autoshine, Bronze/MagicSuds

7)

There are 6 number of treatments.

So,number of subjects or cars required=6*20=120