AnswersHigh School Math 2 ARelative Frequencies and Association

Box Plots Answers

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A variety of two types of snack packs are delivered to a store. The box plots compare the number of calories in each snack pack of crackers to the number of calories in each snack pack of trail mix.Which statement is true about the box plots?

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The interquartile range of the trail mix data is greater than the range of the cracker data.
Option
The value 70 is an outlier in the trail mix data.
Option
The upper quartile of the trail mix data is equal to the maximum value of the cracker data.
Option
The number of calories in the packs of trail mix have a greater variation than the number of calories in the packs of crackers.
Option
2
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The box plot represents the number of minutes customers spend on hold when calling a company.What is the upper quartile of the data?

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A
3
B
5
C
6
D
8
3

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.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?

Question illustration
A
Mrs. Cai’s class was more successful because her interquartile range was less spread out.
B
Mrs. Cai’s class was more successful because she had the greater total spread.
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.
4

The data set below has a lower quartile of 13 and an upper quartile of 37.1, 12, 13, 15, 18, 20, 35, 37, 40, 78Which statement is true about any outliers of the data set?

A
The data set does not have any outliers.
B
The lowest value, 1, is the only outlier.
C
The greatest value, 78, is the only outlier.
D
Both 1 and 78 are outliers.
5

Which statement is true about the box plots?

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A
Both the ranges and the interquartile ranges for the data sets are the same.
B
Neither the ranges nor 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.
6

three

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Both box plots show the same range.
Option
Both box plots show the same interquartile range.
Option
The data for Mr. Ishimoto has an outlier.
Option
Mr. Ishimoto had the class with the greatest number of students.
Option
The smallest class size was 24 students.
Option
7

The interquartile range of the data set is 4.2, 2, 3, 3, 4, 5, 5, 6, 7, 9, 12Which explains whether or not 12 is an outlier?

Twelve is an outlier because it is greater than the sum of 7 and 4.
Option
Twelve is an outlier because it is less than the sum of 7 and 6.
Option
Twelve is not an outlier because it is greater than the sum of 7 and 4.
Option
Twelve is not an outlier because it is less than the sum of 7 and 6.
Option
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, 9Which box plot correctly represents the data?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
9

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

Question illustration
The range of the Morning box plot is the same as the range of the Afternoon box plot.
Option
The range of the Morning box plot is 1 less than the range of the Afternoon box plot.
Option
The range of the Morning box plot is 1 more than the range of the Afternoon box plot.
Option
The range of the Morning box plot is 2 less than the range of the Afternoon box plot
Option
10

The data set represents the total number of tuba players in each of 11 different school bands.0, 1, 3, 3, 4, 4, 4, 5, 6, 6, 8What is the lower quartile of the data?

A
1
B
3
C
4
D
6

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