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COMM 291 Final Exam Questions and Answers Latest 2024/2025;UBC
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COMM 291 Final Exam Questions and Answers Latest 2024/2025;UBC COMM 291 Final Exam
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2024COMM 291 Final Exam Questions and Answers Latest
2024/2025;UBC
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QUESTION GROUP A
14 points
“A is for Analysis”
Question 2 0.5 pts
To start you off with a smile, answer True or False to each of these two
statements.
, A pie chart is a graph of how many pizzas you ate while studying for final
exams.
Answer: [ Select ]
The pronunciation of “chi” as in chi-square test rhymes with “degree.”
Answer: [ Select ]
Question 3 1 pts
The human resources department at a large company conducted an employee
satisfaction survey of a random sample of 100 of its employees. Data were
collected on: age, gender, marital status, current salary, level of overall satisfaction
on a scale from 0 to 10, number of years with the company, and job classification.
Which of the variables would be best classified as categorical data?
(Select the best answer)
Gender, marital status, and salary
Age and gender
Overall satisfaction and years with company
Age, salary, and years with company
Job classification, marital status, and gender
Question 4 1 pts
For a class project, a group of business students surveys the student body to
assess opinions about a proposed new student coffee shop in order to judge its
potential success. They choose a random sample of 200 students containing 50 in
each year of their studies (first, second, third, fourth or later). This sampling plan is
called:
(Select the best answer)
, Convenience sampling
Stratified random sampling
Cluster random sampling
Simple random sampling
Systematic sampling
Question 5 1.5 pts
For each of the following situations, which type of graph would best represent the
data?
(Select the best answer)
Data on MBA students from eight Canadian universities lists the amount of
work experience students had (in months) before beginning their programs. We
want to check the distribution of each program, and compare them to each
other.
best type of plot: [ Select ]
An experiment involving a new type of fertilizer produced measurements of
volume and weight for a sample of 150 tomatoes taken from different plants.
best type of plot: [ Select ]
A geyser in Yellowstone erupts once every few weeks. We have 80 data points
on the length of time between eruptions. (But we don't have data on the time of
eruption.)
best type of plot: [ Select ]
Question 6 1 pts
Which of the following is likely to have a mean that is smaller the median?
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