1.If a variable is interval-ratio in level of measurement, it cannot also be

A.nominal.

B.continuous.

C.discrete.

D.observable.

2.If people who eat at fast food restaurants become obese, obesity is

A.an independent variable.

B.a causal variable.

C.a dependent variable.

D.None of the above

3.The data reduction process of descriptive statistics

A.allows a few meaningful numbers to summarize a large amount of data.

B.eliminates incorrect data.

C.simply lists all available information in order.

D.is rarely used.

4.Select the variable(s) that can be measured at the interval-ratio level

A.different types of crimes.

B.number of children in a family.

C.attractiveness of a person.

D.emotional stability.

5.Prejudice, when measured on a scale ranging from 'most prejudiced' to 'least prejudiced,' is an example of which level of measurement?

A.Actual

B.Ordinal

C.Nominal

D.Interval-ratio