0LOM 5300 Multiple Choice Chapter 1

LOM 5300
Statistical Analysis for Business Decisions
Multiple Choice Questions
Chapter 1

1. In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of the
a.
ordinal scale.
b.
nominal scale.
c.
ratio scale.
d.
interval scale.
ANS: b
2. The scale of measurement that is used to rank order the observation for a variable is called the
a.
ratio scale.
b.
ordinal scale.
c.
nominal scale.
d.
interval scale.
ANS: b
3. Some hotels ask their guests to rate the hotel's services as excellent, very good, good, and poor. This is an example of the
a.
ordinal scale.
b.
ratio scale.
c.
nominal scale.
d.
interval scale.
ANS: a
4. Temperature is an example of a variable that uses
a.
the ratio scale.
b.
the interval scale.
c.
the ordinal scale.
d.
either the ratio or the ordinal scale.
ANS: b
5. Arithmetic operations are inappropriate for
a.
the ratio scale.
b.
the interval scale.
c.
both the ratio and interval scales.
d.
the nominal scale.
ANS: d 6. In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of a
a.
categorical variable.
b.
quantitative variable.
c.
categorical or quantitative variable, depending on how the respondents answered the question.
d.
(none of these alternatives is correct.)
ANS: a
7. Ordinary arithmetic operations are meaningful
a.
only with categorical data.
b.
only with quantitative data.
c.
either with quantitative or categorical data.
d.
(none of these alternatives is correct.)
ANS: b
8. Social security numbers consist of numeric values. Social security is an example of
a.
a quantitative variable.
b.
either a quantitative or a categorical variable.
c.
an exchange variable.
d.
a categorical variable.
ANS: d
9. For ease of data entry into a university database, 1 denotes that the student is an undergraduate and 2 indicates that the student is a graduate student. In this case data are
a.
categorical.
b.
quantitative.
c.
either