1.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 the two groups. Which is the independent variable?

Group of answer choices

The number of mice

The mice that received the radiation

Whether or not the mice got cancer

Whether or not the mice were exposed to radiation

2.A response variable is:

Group of answer choices

Applied to subjects by the researcher(s)

Observed by the researcher(s)

Both a and b

None of the above

3A binary variable is a categorical variable with only _____ options

4.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

Group of answer choices

Qualitative

Continuous

Dependent

Independent

Quantitative

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

Group of answer choices

Qualitative

Discrete

Continuous

Quantitative

6.Choose the variable(s)that is/are best described as discrete

Group of answer choices

number of siblings

number of pens in your house

height

hair color

7.Which of the following would you not consider a continuous variable:

Group of answer choices

Weight (in lbs)

Age in years, months, days, seconds.

Number of patients in a hospital

Miles ran in a workout (3.5 miles)

8.Continuous variables are:

Group of answer choices

Measured, not counted

Can be made qualitative, if categories are determined

Both a and b

None of the above

9.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?

Group of answer choices

Weight Loss

Type of exercise

Type of diet

The combination of diet and exercise

10.You are trying to determine what the best combination of diet and exercise provides the lowest resting pulse rate. 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 measure the resting pulse rate for each group after 3 weeks of testing. How many dependent variables do you have?