Box Plots — Quiz Answers

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3

Which statement is true about the ranges for the box plots? Expand Image

A
The range of the Morning box plot is 1 less than the range of the Afternoon box plot.
B
The range of the Morning box plot is 2 less than the range of the Afternoon box plot
C
The range of the Morning box plot is 1 more than the range of the Afternoon box plot.
D
The range of the Morning box plot is the same as the range of the Afternoon box plot.
4

The interquartile range of the data set is 4. 2, 2, 3, 3, 4, 5, 5, 6, 7, 9, 12 Which explains whether or not 12 is an outlier?

A
Twelve is an outlier because it is greater than the sum of 7 and 7.
B
Twelve is an outlier because it is less than the sum of 7 and 6.
C
Twelve is not an outlier because it is less than the sum of 7 and 6.
D
Twelve is not an outlier because it is greater than the sum of 7 and 4.
5

The given data set has a lower quartile of 13 and an upper quartile of 37. 1, 12, 13, 15, 18, 20, 35, 37, 40, 78 Which statement is true about any outliers of the data set?

A
The lowest value, 1, is the only outlier.
B
The greatest value, 78, is the only outlier.
C
The data set does not have any outliers.
D
Both 1 and 78 are outliers.
7

Which statement is true about the box plots? Expand Image

A
Neither the ranges nor the interquartile ranges for the data sets are the same.
B
Both the ranges and the interquartile ranges for the data sets are the same.
C
The interquartile ranges for the box plots are the same, but their ranges are different.
D
The ranges for the box plots are the same, but their interquartile ranges are different.
8

The data set represents the total number of pencils each student in a class needs to sharpen. 0, 1, 1, 1, 2, 3, 4, 4, 6, 6, 9 Which box plot correctly represents the data?

A
Image with description A number line goes from 0 to 10. The whiskers range from 0 to 9, and the box ranges from 1 to 6. A line divides the box at 3.
B
Image with description A number line goes from 0 to 10. The whiskers range from 0 to 9, and the box ranges from 2 to 6. A line divides the box at 4.
C
Image with description A number line goes from 0 to 10. The whiskers range from 0 to 9, and the box ranges from 1 to 6. A line divides the box at 4.
D
Image with description A number line goes from 0 to 10. The whiskers range from 0 to 9, and the box ranges from 2 to 6. A line divides the box at 3.
10

The box plot compares the number of events that Mrs. Cai’s and Mr. Roland’s classes won over the last 10 years on the school’s field day. Expand Image Based on the data in the box plots, what is the best evidence to show which class has had greater success on field day over the last 10 years?

A
Mrs. Cai’s class was more successful because she had the greater total spread.
B
Mrs. Cai’s class was more successful because her interquartile range was less spread out.
C
Mr. Roland’s class was more successful because his class always won at least one event.
D
Mr. Roland’s class was more successful because his class’s lower quartile was the same as Mrs. Cai’s class’s upper quartile.

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Box Plots — Quiz Answers — Mathematics I