Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Two different gas stations below list the price per gallon of gasoline over 5
days.
Which gas station has more variation based
on their range? a. | ‘Gas Plus’ has more variation | b. | ‘Go
Station’ has more variation | c. | The two gas stations have the same
variation | d. | There isn’t enough information to determine the
variation. |
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2.
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Consider the following unorganized data set:
12, 15, 8, 29, 30, 27, 19,
12
What is the first quartile (Q1) of the data set?
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3.
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Consider the data set:
60, 44, 56, 52, 48
What is
the mean absolute deviation of the data set (use the table for help)?
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4.
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The average age of person at a party if 17 with a mean absolute deviation of
2.
Based on the statement which of the following statements must be true?
a. | Everyone at the party is 17 years old. | b. | Everyone at the party must be between 15 and 19
years old. | c. | The average distance each person’s age is away from the mean is
2. | d. | At the party, no one is 17. |
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5.
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Which of the following dot plots would most likely have the
lowest standard deviation?
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6.
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Consider the data set:
3, 5, 5, 12, 15
Approximately, what is the standard deviation of the data set (use the
table for help)?
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7.
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In two different counties in the state the following was determined about
teacher salaries.
• Descartes County pays its teachers on
average $54,000 with a standard deviation of $5,000
• Gauss County pays its teacher on average $54,000 with a
standard deviation of $12,000
Which of the following statement is most likely to be
true?
a. | Descartes County is more consistent in what it pays all teachers
because it has a lower standard deviation.
| b. | Gauss County is
more consistent in what it pays all teachers because it has a higher
standard deviation.
| c. | Descartes County on average pays its teachers
$7,000 more per year because the standard deviation is lower by that
amount than Gauss County.
| d. | Descartes County on average pays its teachers
$7,000 more per year because the standard deviation is higher by that
amount than Gauss County.
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