STA1610
EXAM PACK
Recent exam questions and answers
Summarised study notes
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DISCLAIMER & TERMS OF USE
1. Educational Aid: These study notes are designed to serve as educational aids and should not be considered as a
substitute for individual research, critical thinking, or professional guidance. Students are encouraged to
conduct their own extensive research and consult with their instructors or academic advisors for specific
assignment requirements.
2. Personal Responsibility: While every effort has been made to ensure the accuracy and reliability of the
information provided in these study notes, the seller cannot guarantee the completeness or correctness of all
the content. It is the responsibility of the buyer to verify the accuracy of the information and use their own
judgment when applying it to their assignments.
3. Academic Integrity: It is crucial for students to uphold academic integrity and adhere to their institution's
policies and guidelines regarding plagiarism, citation, and referencing. These study notes should be used as a
tool for learning and inspiration, but any direct reproduction of the content without proper acknowledgment and
citation may constitute academic misconduct.
4. Limited Liability: The seller of these study notes shall not be held liable for any direct or indirect damages,
losses, or consequences arising from the use of the notes. This includes, but is not limited to, poor grades,
academic penalties, or any other negative outcomes resulting from the application or misuse of the information
provided.
, !Online Assessment
Return to Assessments page
Name: _________________________
Score: ______ / ______
Assignment 01
STA1610 Assignment 01 is based on Study Unit 01, 02 & 03.
DO NOT TAKE SCREENSHOTS AND (OR) SHARE
QUESTIONS FOR THIS ASSIGNMENT!
Part 1
Which one of the following statements is incorrect with regard to a statistic?
A. A statistic is an estimate of a population parameter.
B. A statistic represents a property of a population and not that of a sample.
C. A statistic is a summary measure calculated from a sample.
D. A sample standard deviation is a statistic.
E. A sample mean is a statistic.
Answer Point Value: 4.0 points
Answer Key: B
Part 2
Which one of the following statements is incorrect with regard to variables?
A. Quantitative variables takes on values with equal units i.e. numeric values that
indicate how much or how many.
B. Variables can be classified as categorical or numerical.
C. Quantitative continuous variable results from counting attributes of an element.
D. Numerical variables can either be discrete or continuous.
E. Qualitative variables uses labels or names to describe attributes of elements.
https://mymodules.unisa.ac.za/portal/site/STA1610-21-Y1/tool/7f36b47e-a61d-44c5-9121-28b49c528fe5/jsf/print/printAssessment Page 1 of 9
, Answer Point Value: 4.0 points
Answer Key: C
Part 3
Which one of the following statements is incorrect with regard to variables and their scale of
measurements?
A. A nominal scale of measurement is the weakest form while a ratio scale is the
strongest form of measurement.
B. The mean and the median cannot be determined for a nominal scale of
measurement.
C. Quantitative continuous variables result from measuring attributes of an element.
D. Ordinal scale of measurement is a higher level of measurement that interval scale.
E. Quantitative discrete variables result from counting attributes of an element.
Answer Point Value: 4.0 points
Answer Key: D
Part 4
A majority of the rural schools in South Africa are in the Eastern Cape, Kwa-Zulu Natal and the
Limpopo province. The Department of Basic Education requires your assistance in gathering
some of the information to effectively manage their scholar transport system in some of the rural
areas. Which one of the following statements is incorrect with regard to type of variables?
A. The age at which learners first enroll at a school is a quantitative continuous
variable.
B. The travel time from the learner’s home to school is a quantitative continuous
variable.
C. The number of schools requiring learner transport is a quantitative discrete variable.
D. Whether or not a school is classified as a special need school is a qualitative
nominal variable.
E. The size of the bus [i.e. minibus (small), coach bus (medium) and articulated bus
(large)] required to transport learners is a qualitative nominal variable.
Answer Point Value: 4.0 points
Answer Key: E
https://mymodules.unisa.ac.za/portal/site/STA1610-21-Y1/tool/7f36b47e-a61d-44c5-9121-28b49c528fe5/jsf/print/printAssessment Page 2 of 9
, Part 5
Some personal and school related information was collected on learners requiring scholar
transport. Variables I to V below shows the collected information.
I. Progress at school i.e., satisfactory and not satisfactory
II. Sex assigned at birth i.e., female, intersex and male
III. List of subjects enrolled for.
IV. Number of subjects enrolled for.
V. Emotional Quotient (EQ score) and Intelligence Quotient (IQ score)
For which variable(s) is it possible to determine the median?
A. I, II & III
B. It is possible to determine the median for all variables I to V.
C. I, IV & V
D. Only I
E. IV & V
Answer Point Value: 4.0 points
Answer Key: C
Part 6
Which one of the following statements is incorrect with regard to tabular methods for
summarizing data?
A. Percentage is equal to the relative frequency multiplied by 100.
B. Cumulative frequency distributions are tabular methods suitable for summarizing
quantitative data.
C. Frequency distribution, relative frequency distribution and percentage frequency
distribution are tabular methods suitable for summarizing both qualitative and
quantitative data.
D. To create a frequency distribution for qualitative data we first need to define non-
overlapping classes by determining the number of classes, class width and class limits.
E. Cross tabulations are suitable for summarizing relationships between two variables.
Answer Point Value: 4.0 points
Answer Key: D
https://mymodules.unisa.ac.za/portal/site/STA1610-21-Y1/tool/7f36b47e-a61d-44c5-9121-28b49c528fe5/jsf/print/printAssessment Page 3 of 9
EXAM PACK
Recent exam questions and answers
Summarised study notes
Exam tips and guidelines
DISCLAIMER & TERMS OF USE
1. Educational Aid: These study notes are designed to serve as educational aids and should not be considered as a
substitute for individual research, critical thinking, or professional guidance. Students are encouraged to
conduct their own extensive research and consult with their instructors or academic advisors for specific
assignment requirements.
2. Personal Responsibility: While every effort has been made to ensure the accuracy and reliability of the
information provided in these study notes, the seller cannot guarantee the completeness or correctness of all
the content. It is the responsibility of the buyer to verify the accuracy of the information and use their own
judgment when applying it to their assignments.
3. Academic Integrity: It is crucial for students to uphold academic integrity and adhere to their institution's
policies and guidelines regarding plagiarism, citation, and referencing. These study notes should be used as a
tool for learning and inspiration, but any direct reproduction of the content without proper acknowledgment and
citation may constitute academic misconduct.
4. Limited Liability: The seller of these study notes shall not be held liable for any direct or indirect damages,
losses, or consequences arising from the use of the notes. This includes, but is not limited to, poor grades,
academic penalties, or any other negative outcomes resulting from the application or misuse of the information
provided.
, !Online Assessment
Return to Assessments page
Name: _________________________
Score: ______ / ______
Assignment 01
STA1610 Assignment 01 is based on Study Unit 01, 02 & 03.
DO NOT TAKE SCREENSHOTS AND (OR) SHARE
QUESTIONS FOR THIS ASSIGNMENT!
Part 1
Which one of the following statements is incorrect with regard to a statistic?
A. A statistic is an estimate of a population parameter.
B. A statistic represents a property of a population and not that of a sample.
C. A statistic is a summary measure calculated from a sample.
D. A sample standard deviation is a statistic.
E. A sample mean is a statistic.
Answer Point Value: 4.0 points
Answer Key: B
Part 2
Which one of the following statements is incorrect with regard to variables?
A. Quantitative variables takes on values with equal units i.e. numeric values that
indicate how much or how many.
B. Variables can be classified as categorical or numerical.
C. Quantitative continuous variable results from counting attributes of an element.
D. Numerical variables can either be discrete or continuous.
E. Qualitative variables uses labels or names to describe attributes of elements.
https://mymodules.unisa.ac.za/portal/site/STA1610-21-Y1/tool/7f36b47e-a61d-44c5-9121-28b49c528fe5/jsf/print/printAssessment Page 1 of 9
, Answer Point Value: 4.0 points
Answer Key: C
Part 3
Which one of the following statements is incorrect with regard to variables and their scale of
measurements?
A. A nominal scale of measurement is the weakest form while a ratio scale is the
strongest form of measurement.
B. The mean and the median cannot be determined for a nominal scale of
measurement.
C. Quantitative continuous variables result from measuring attributes of an element.
D. Ordinal scale of measurement is a higher level of measurement that interval scale.
E. Quantitative discrete variables result from counting attributes of an element.
Answer Point Value: 4.0 points
Answer Key: D
Part 4
A majority of the rural schools in South Africa are in the Eastern Cape, Kwa-Zulu Natal and the
Limpopo province. The Department of Basic Education requires your assistance in gathering
some of the information to effectively manage their scholar transport system in some of the rural
areas. Which one of the following statements is incorrect with regard to type of variables?
A. The age at which learners first enroll at a school is a quantitative continuous
variable.
B. The travel time from the learner’s home to school is a quantitative continuous
variable.
C. The number of schools requiring learner transport is a quantitative discrete variable.
D. Whether or not a school is classified as a special need school is a qualitative
nominal variable.
E. The size of the bus [i.e. minibus (small), coach bus (medium) and articulated bus
(large)] required to transport learners is a qualitative nominal variable.
Answer Point Value: 4.0 points
Answer Key: E
https://mymodules.unisa.ac.za/portal/site/STA1610-21-Y1/tool/7f36b47e-a61d-44c5-9121-28b49c528fe5/jsf/print/printAssessment Page 2 of 9
, Part 5
Some personal and school related information was collected on learners requiring scholar
transport. Variables I to V below shows the collected information.
I. Progress at school i.e., satisfactory and not satisfactory
II. Sex assigned at birth i.e., female, intersex and male
III. List of subjects enrolled for.
IV. Number of subjects enrolled for.
V. Emotional Quotient (EQ score) and Intelligence Quotient (IQ score)
For which variable(s) is it possible to determine the median?
A. I, II & III
B. It is possible to determine the median for all variables I to V.
C. I, IV & V
D. Only I
E. IV & V
Answer Point Value: 4.0 points
Answer Key: C
Part 6
Which one of the following statements is incorrect with regard to tabular methods for
summarizing data?
A. Percentage is equal to the relative frequency multiplied by 100.
B. Cumulative frequency distributions are tabular methods suitable for summarizing
quantitative data.
C. Frequency distribution, relative frequency distribution and percentage frequency
distribution are tabular methods suitable for summarizing both qualitative and
quantitative data.
D. To create a frequency distribution for qualitative data we first need to define non-
overlapping classes by determining the number of classes, class width and class limits.
E. Cross tabulations are suitable for summarizing relationships between two variables.
Answer Point Value: 4.0 points
Answer Key: D
https://mymodules.unisa.ac.za/portal/site/STA1610-21-Y1/tool/7f36b47e-a61d-44c5-9121-28b49c528fe5/jsf/print/printAssessment Page 3 of 9
