Ms. Leeper gives her sixth- and seventh-grade students a geography test to decide who will represent her class in the school geography bee. The line plots below show the results of the test for her sixth-grade class and seventh-grade class, respectively. Sixth Grade Geography Test Scores XX X x x X x x Xx 2 4 10 12 14 16 18 20 Test Score Seventh Grade Geography Test Scores xx x x x x x x x x x x 2 4 6 10 12 14 16 18 20 Test Score The data for each grade have the same interquartile range (IQR). Which of the following best compares the two test score distributions? The median score of the seventh-grade class is 2 points greater than the median score of the sixth-grade class. This difference is the same as the IQR. The median score of the seventh-grade class is 2 points greater than the median score of the sixth-grade class. This difference is twice as much as the IQR. The median score of the seventh-grade class is 3 points greater than the median score of the sixth-grade class. This difference is the same as the IQR. The median score of the seventh-grade class is 3 points greater than the median score of the sixth-grade class. This difference is twice as much as the IQR.

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Ms. Leeper gives her sixth- and seventh-grade students a geography test to decide who will represent her class in the school geography
bee. The line plots below show the results of the test for her sixth-grade class and seventh-grade class, respectively.
Sixth Grade Geography Test Scores
x x x
X X x X X x
X X
2
4
8
10
12
14
16
18 20
Test Score
Seventh Grade Geography Test Scores
X x x x X
X X X X X
2
4
10 12
14
16 18 20
Test Score
The data for each grade have the same interquartile range (IQR). Which of the following best compares the two test score distributions?
The median score of the seventh-grade class is 2 points greater than the median score of the sixth-grade class. This difference is
the same as the IQR.
The median score of the seventh-grade class is 2 points greater than the median score of the sixth-grade class. This difference is
twice as much as the IQR.
The median score of the seventh-grade class is 3 points greater than the median score of the sixth-grade class. This difference is
the same as the IQR.
The median score of the seventh-grade class is 3 points greater than the median score of the sixth-grade class. This difference is
twice as much as the IQR.
Transcribed Image Text:Ms. Leeper gives her sixth- and seventh-grade students a geography test to decide who will represent her class in the school geography bee. The line plots below show the results of the test for her sixth-grade class and seventh-grade class, respectively. Sixth Grade Geography Test Scores x x x X X x X X x X X 2 4 8 10 12 14 16 18 20 Test Score Seventh Grade Geography Test Scores X x x x X X X X X X 2 4 10 12 14 16 18 20 Test Score The data for each grade have the same interquartile range (IQR). Which of the following best compares the two test score distributions? The median score of the seventh-grade class is 2 points greater than the median score of the sixth-grade class. This difference is the same as the IQR. The median score of the seventh-grade class is 2 points greater than the median score of the sixth-grade class. This difference is twice as much as the IQR. The median score of the seventh-grade class is 3 points greater than the median score of the sixth-grade class. This difference is the same as the IQR. The median score of the seventh-grade class is 3 points greater than the median score of the sixth-grade class. This difference is twice as much as the IQR.
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