Statistics 2

Number of bar presses is an example of a ____ variable.

Discrete

An ordinal scale possesses the attributes of magnitude and equal interval

False

It is legitimate to do ratios with interval scaling

False

Limits or boundaries are often found for discrete data

False

Most scales used for measuring psychological variables are either ratio or interval.

False

Number of questions on a test is an example of nominal data

False

One generally has to specify the real limits for discrete variables since they cannot be measured accurately

False

Question type (MC, TF, essay) is an example of ratio data

False

The average number of children in a classroom is an example of discrete variable

False

When a weight is measured 1/1000th of a gram, that measure is absolutely accurate.

False

With the exception of division, one can perform all mathematical operations in a ratio scale.

False

In a 10 mile race, all runners are randomly assigned an identification number. These numbers represent a _______.

Nominal scale

Prizes awarded for 1st, 2nd, and 3rd are

Ordinal scale

Continuous data is always an approximate

True

Determining the number of students in each section of introductory psychology involves the use of a ratio scale

True

Discrete data is always an integer (whole number)

True

Interval and ratio data are sometimes called numerical data

True

Movie genres are an example of discrete variable

True

Using an ordinal scale to assess leadership, which of the following statements is appropriate?

Y has the most leadership ability