10/8/21, 9:17 PM
Quiz on Module 1: Attempt review
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AIS 05-19/COMP03-18
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Quiz on Module 1
Started on Monday, 27 September 2021, 8:30 PM
State Finished
Completed on Monday, 27 September 2021, 8:40 PM
Time taken 10 mins 15 secs
Grade 20 out of 20 (100%)
Question 1
Complete
Mark 2 out of 2
Which of the following statements is true regarding a sample?
Select one:
a. It must contain at least five observations
b. All of the above are correct.
c. It is a part of population.
d. It refers to descriptive statistics.
Question 2
Complete
Mark 2 out of 2
Categories are exhaustive when
Select one:
a. There is a meaningful zero point.
b. Each object can be included in only one category.
c. The objects can be ranked.
d. Each object must appear in at least one category.
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10/8/21, 9:17 PM
Quiz on Module 1: Attempt review
Question 3
Complete
Mark 2 out of 2
The ordinal scale of measurement
Select one:
a. Is based on ranks
b. Has a meaningful zero point.
c. Cannot assume negative values.
d. All of the above.
Question 4
Complete
Mark 2 out of 2
The ratio scale of measurement
Select one:
a. Has a meaningful zero point.
b. Usually involves ranking.
c. Cannot assume negative values
d. Is usually based on counting.
Question 5
Complete
Mark 2 out of 2
A nominal scale variable is
Select one:
a. Cannot have more than two categories.
b. Usually the result of counting something.
c. Has a meaningful zero point
d. May assume negative values.
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10/8/21, 9:17 PM
Quiz on Module 1: Attempt review
Question 6
Complete
Mark 2 out of 2
A discrete variable
Select one:
a. Can be negative.
b. Can assume only certain clearly separated values.
c. Can assume any number values
d. Is an example of a qualitative variable.
Question 7
Complete
Mark 2 out of 2
A qualitative variable
Select one:
a. Always has only two possible outcomes.
b. Always refers to a sample.
c. Is nonumeric
d. All of the above are correct.
Question 8
Complete
Mark 2 out of 2
Which of the following statements is true regarding a population?
Select one:
a. It is a collection individuals, objects, or measurements.
b. It must be a large number of values.
c. None of the above.
d. It must refer to people
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10/8/21, 9:17 PM
Quiz on Module 1: Attempt review
Question 9
Complete
Mark 2 out of 2
In descriptive statistics our main objective is to
Select one:
a. Describe the data we collected
b. Describe the population.
c. .Infer something about the population.
d. Compute an average
Question 10
Complete
Mark 2 out of 2
A statistic is
Select one:
a. single value.
b. The sum of several values.
c. collection of values
d. The largest value in a set of observations
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Quiz on Module 1: Attempt review
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