Question
1. Consider a study where we use a person'seducation level to to predict how much money they have invested. What type of variable is the
1. Consider a study where we use a person'seducation level to to predict how much money they have invested. What type of variable is the dependent variable?
Group of answer choices
A. Binary
B. Discrete
C. Continuous
D. Qualitative
2. A response variable is:
Group of answer choices
A.Applied to subjects by the researcher(s)
B.Observed by the researcher(s)
C.Both a and b
D.None of the above
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?
Group of answer choices
A.2
B.4
C.8
D.12
4. 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?
5. A binary variable is a categorical variable with only _____ options
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
Group of answer choices
A.Qualitative
B.Continuous
C.Dependent
D.Independent
E.Quantitative
7. A qualitative response variable will typically require what type of analysis?
Group of answer choices
A. Categorical Data Analysis
B.Multivariate Statistics
C.Nonparametric
D.Nonlinear Regression Analysis
8.Which of the following would you not consider a continuous variable:
Group of answer choices
A.Weight (in lbs and oz)
B.Age in years, months, days, seconds.
C.Number of patients in a hospital
D.Miles ran in a workout (3.5 miles)
9. Discrete variables can be:
Group of answer choices
A.Easily counted
B.Made up of partial numbers or fractions
C.Both a and b
D.None of the above
10. Choose the variable(s)that is/are best described as discrete
Group of answer choices
A. number of siblings
B.number of pens in your house
C. height
D.hair color
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