Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Justin and TJ are servers at a local restaurant. The table below shows the
tips they earned.
Which student has a higher mean
tip for the week and by how much?
a. | Justin’s mean tip is $4 more than TJ’s mean tip. | b. | TJ’s mean tip
is $4 more than Justin’s mean tip. | c. | Justin’s mean tip is $3 more than
TJ’s mean tip. | d. | TJ’s mean tip is $3 more than
Justin’s mean tip. |
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2.
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The number of cookies found in 10
different snack bags are shown below:
14, 12, 14, 13, 14, 14, 14, 15, 14, 12
Which
center should be used to best represent the data?
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a. | The mean number of cookies is 13.6. | b. | The median
number of cookies is 14. | c. | The mode of the number of cookies is
14. | d. | The range of the number of cookies is 3. |
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3.
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What is the mode of the following data set shown in the dot plot:
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4.
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Which center would best represent the data based on the data points
alone?
a. | mean | c. | mode | b. | median | d. | range |
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5.
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Consider the data set:
4, 5, 5, 5, 6, 6, 8, 9, 11, 12
What would happen to
the median if another data point of 17 was added to the data set?
a. | The median would go up by 0.9 | c. | The median would go up by
14 | b. | The median would go down by 0.9 | d. | The median would remain the
same |
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6.
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Consider the data set:
4, 5, 5, 5, 6, 6, 8, 9, 11, 12
What would happen to
the mean if another data point of 17 was added to the data set?
a. | The mean would go up by 0.9 | c. | The mean would go up by
14 | b. | The mean would go down by 0.9 | d. | The mean would remain the
same |
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7.
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Consider the data set represented by the dot plot:
Which word best describes the red data
point?
a. | Unbalanced | c. | Outlier | b. | Third quartile | d. | Absolute
Deviation |
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8.
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A bank
is trying to determine how much a particular contractor makes on each job that he works to determine
how much money that they can loan him. If the contractor made the following amount of money on
the last 8 jobs, which central tendency would most accurately describe the following data
set?
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$5000 $8200 $7500 $58,500
$7000 $4200 $3200 $6700
a. | Mean | c. | Mode | b. | Median | d. | Range |
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