David Has Not Eaten in Several Days

question 109

Multiple Choice

David has not eaten in several days. For him, food represents a

• A) Want
• B) Need
• C) Interest
• D) None of the above

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Definitions:

Samples

Collections or subsets of data taken from a larger population, used to analyze and make inferences about the population.

Ordinal Scale

The scale of measurement for a variable if the data exhibit the properties of nominal data and the order or rank of the data is meaningful. Ordinal data may be nonnumeric or numeric.

Interval Scale

The scale of measurement for a variable if the data demonstrate the properties of ordinal data and the interval between values is expressed in terms of a fixed unit of measure. Interval data are always numeric.

Ratio Scale

The scale of measurement for a variable if the data demonstrate all the properties of interval data and the ratio of two values is meaningful. Ratio data are always numeric.