Box Plot

Karen constructed the box-and-whisker plot below to show information about her first semester scores.

What was Karen's median test score?

• 70

• 85

• 90

• 95

The list below shows the most recent test scores for students in Mr. Garcia’s study group.

78, 90, 94, 72, 80, 68, 72, 88, 94, 98, 86, 96

Which box-and-whisker plot correctly represents the data in the list?

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The data below show the donations, in dollars, a charity received from 8

of its donors at a fund-raising event.

640, 550, 480, 600, 720, 720, 800, 840

Which box plot correctly represents these data?

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Johnathan analyzed a set of data. He noticed that 50% of the data was

between 84 and 89. He also noticed that 50% of the data was between

88 and 91. The lowest data point was an 82. Which box plot could

represent the set of data Johnathan analyzed?

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Mrs. Garcia decides to organize her students’ algebra test scores into

a box plot to analyze the results, as shown below.

What is the median score of the class?

• 76

• 80

• 82

• 84

The data shows the average price of frozen orange juice at various times.

$1.83, $1.88, $1.83, $1.94, $2.54, $2.50, $2.46, $2.64, $2.73, $2.58

What are the three quartiles of the data?

• Q1 = $1.83, Med = $2.52, Q3 = $2.64

• Q1 = $1.83, Med = $2.48, Q3 = $2.58

• Q1 = $1.88, Med = $2.52, Q3 = $2.64

• Q1 = $1.88, Med = $2.48, Q3 = $2.58

Which has a lower median?

• Florida

• Texas

Which has a higher median?

• Florida

• Texas

Which has a lower IQR? (Interquartile Range)

• Florida

• Texas

Which has a greater median?

• Week 1

• Week 2