Question

1. Addition and subtraction are completely justified only when variables are

a. discrete.

b. continuous.

c. ordinal.

d. interval-ratio.

2. An hypothesis states, in part, that "income increases as education increases". In this statement, education is

a. the dependent variable.

b. the independent variable.

c. the hypothetical variable.

d. the secondary variable.

3. “Ninety percent of dorm residents approved a proposed ban on smoking”. This statement is an example of the use of

a. inferential statistics.

b. univariate descriptive statistics.

c. multivariate descriptive statistics.

d. inductive statistics.

4. If a researcher summarizes the age of 1,000 people by calculating the average age, she is using

a, a qualitative technique.

b. an incorrect hypothesis.

c. data reduction.

d. non-empirical reasoning.

5. If a variable is discrete, it cannot be

a. continuous.

b. interval-ratio.

c. observable.

d. ordinal.

Answer 1

1. Addition and subtraction are completely justified only when variables are : Answer: d. interval-ratio.

2. An hypothesis states, in part, that "income increases as education increases". In this statement, education is : Answer: a. the dependent variable.
3. “Ninety percent of dorm residents approved a proposed ban on smoking”. This statement is an example of the use of: Answer: b. univariate descriptive statistics
4. If a researcher summarizes the age of 1,000 people by calculating the average age, she is using: Answer:c. data reduction.
5. If a variable is discrete, it cannot be ANswers: Continuous