Straighterline MAT150 Business Statistics Graded MIDTERM Exam (New Version August 2024)
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Question 1
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Question text
Which word is not part of the definition of descriptive statistics?
Select one:
a. Presenting
b. Predicting
c. Summarizing
d. Organizing
Question 2
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Question text
What type of variable is the number of gallons of gasoline pumped by a filling station during a day?
Select one:
a. Discrete
b. Attribute
c. Continuous
, d. Qualitative
Question 3
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When TV advertisements report that "2 out of 3 dentists surveyed indicated they would recommend
Brand X toothpaste to their patients," an informed consumer may question the conclusion because
Select one:
a. the sample was only 5 dentists.
b. the sample of dentists is clearly explained.
c. the advertisement does not include the total number of dentists surveyed.
d. the conclusion is not illustrated with a graph.
Question 4
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In the U.S. Midwest states of Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri,
Nebraska, North Dakota, Ohio, South Dakota, and Wisconsin, the number of persons who died from
a pandemic virus were (in thousands) 14.4, 6.5, 2.9, 1.8, 10.6, 4.0, 4.3, 1.3, 1.0, 7.1, 1.1, 4.0,
respectively. The mean, or average number of deaths was
Select one:
a. about 4.
b. about 13.4.
c. about 4.9.
d. about 15.7.
e. about 3.1.
Question 5