UNIVERSITY OF LIMPOPO
TURFLOOP CAMPUS
FACULTY OF SCIENCE AND AGRICULTURE
SCHOOL OF MATHEMATICAL AND COMPUTER SCIENCES
DEPARTMENT OF STATISTICS AND OPERATIONS RESEARCH
Tutorial 4
MODULE:
SSTS011
DATE
: FEBRUARY
TIME:
15 MINUTES
MARKS
: 10
INTERNAL EXAMINER
:
RAMALATA
THIS PAPER CONSISTS OF THREE (03) PAGES INCLUDING COVER PAGE
INSTRUCTIONS:
1.
2.
Use the multiple choice answer sheet provided.
Shade neatly.
Tutorial 4
2024
1. As part of survey of college students a researcher is interested in the variable class
standing. She records a 1 if the student is a freshman, a 2 if the student is a
sophomore, a 3 if the student is a junior, and a 4 if the student is a senior. The
variable class standing is
A. Categorical
B. Numerical
C. Quantitatively categorical
D. All of the above
2. Arranging the shirt sizes as small, medium and large is an example of which scale
of measurement?
A. Nominal
B. Ordinal
C. Ratio
D. None of the above
3. Shades of lipstick available in A MAC store, is which scale of measurement?
A. Interval
B. Ratio
C. Nominal
D. None of the above
4. A question on a product registration card asks, “How much money do you plan to
spend on DVD movie purchases during the next 6 months?” What type of variable
and level of measurement does your response represent?
A. Continuous variable measured on a ratio scale.
B. Discrete variable measured on a nominal scale.
C. Discrete variable measured on an ordinal scale.
D. Continuous variable measured on an interval scale.
5. Five-point Likert scales (strongly disagree, disagree, neutral, agree, strongly
agree) are frequently used to measure motivations and attitudes. A Likert scale is
a:
A. Discrete variable.
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Tutorial 4
2024
B. Ordinal variable.
C. Categorical variable.
D. All of the above options (A, B and C)
6. In a 500m speed skating race, time results would be considered an example of
which level of measurement?
A. Nominal
B. Ordinal
C. Interval
D. Ratio
7. A researchers studies the factors that determine the number of children future
couples decide to have. The variable ‘number of children’ is a :
A. Discrete variable
B. Continuous variable
C. Categorical variable
D. Ordinal variable
8. An alternative expression for qualitative variables is "categorical variables"
A. True
B. False
9. Ordinal level data are characterized by:
A. Equal intervals between each adjacent score.
B. A fixed zero.
C. Data that can be meaningfully arranged by order of magnitude.
D. None of the above.
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