AnswersHigh School Math 2 ARelative Frequencies and Association

Box Plots Answers

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Which data set has an outlier?

A
25, 36, 44, 51, 62, 77
B
3, 3, 3, 7, 9, 9, 10, 14
C
8, 17, 18, 20, 20, 21, 23, 26, 31, 39
D
63, 65, 66, 69, 71, 78, 80, 81, 82, 82
3

X interquartile rangemedian✔ range

A
X interquartile range
B
median
C
✔ range
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Use the drop-down menus to identify the key values of the box plot.

Answers:
The median is .:C
The minimum is .:A
The maximum is .:E
The lower quartile (Q1) is .:B
The upper quartile (Q3) is .:D
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✔ ABX CDE

A
✔ A
B
B
C
X C
D
D
E
E
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ABCX D✔ E

A
A
B
B
C
C
D
X D
E
✔ E
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A✔ BCDX E

A
A
B
✔ B
C
C
D
D
E
X E
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X ABC✔ DE

A
X A
B
B
C
C
D
✔ D
E
E
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Complete the statements describing the effect of the outlier on the measures of variability.

Answers:
The outlier of the data set is .:5
The range of the data set including the outlier as the minimum is more than the one excluding the outlier as the minimum.:12
The outlier had the most effect on the .:range
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Complete the statements describing the effect of the outlier on the measures of variability.

Answers:
The outlier of the data set is .:5
The range of the data set including the outlier as the minimum is more than the one excluding the outlier as the minimum.:12
The outlier had the most effect on the .:range
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Compare the box plots. Which statements are true? Check all that apply.

A
Mike threw more touchdowns in one season.
B
The value 8 is an outlier for Jeff’s data set.
C
The median for Mike’s data set is 22 touchdowns.
D
Mike had a greater variation of the total number of touchdowns each season.
E
The differences in the medians and positions of the boxes show that Jeff generally threw more touchdowns than Mike.

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