Question

1. A response variable is:

		Applied to subjects by the researcher(s)
		Observed by the researcher(s)
		Both a and b
		None of the above

2. You are trying to determine what the best combination of diet and exercise provides the most weight loss. You decided to try three different diets (Atkins, Paleo, McDonalds only), along with no dieting, and two different forms of exercise (Yoga, high cardio), along with no exercise. You try each combination possible, and track weight loss for each. What is the response variable?

	a.	Weight Loss
	b.	Type of exercise
	c.	Type of diet
	d.	The combination of diet and exercise

3. You are trying to determine what the best combination of diet and exercise provides the most weight loss. You decided to try three different diets (Atkins, Paleo, McDonald's only), along with no dieting, and two different forms of exercise (Yoga, high cardio), along with no exercise. You try each combination possible, and track weight loss for each. How many independent variables do you have?

		2
		4
		8
		12

4. Consider an experiment where we use the amount of sugar in cereal to predict what shelf the cereal is placed on in a grocery store. What type of variable is the dependent variable?

A.

Quantitative

B.

Qualitative

C.

Continuous

D.

Discrete

5. Choose the variable(s) which is/are best described as qualitative:

		Height (in inches)
		Eye color
		Number of siblings
		IQ score
		Type of vehicle owned

6. Consider an experiment where 10 mice were exposed to radiation from cell phones, and 10 mice were not. Whether or not the mice got cancer was observed for both groups. Check all that apply. The variable of whether or not the mice got cancer is

		Qualitative
		Continuous
		Dependent
		Independent
		Quantitative

Answer 1