Interpreting Box Plot Data

A movie theater recorded the number of tickets sold daily for a popular movie during the month of June. The box-and-whisker plot shown represents the data for the number of tickets sold, in hundreds. What can we determine from the plot?

• The second quartile is 600

• The mean of the attendance is 400

• The range of the attendance is 300 to 600

• 25% of the attendance is between 300 and 400

The box-and-whisker plots can be used to compare the annual incomes of three professions. Which statement is true?

• The median income for nuclear engineers is greater than the income for all musicians.

• The median income for police officers and musicians is the same.

• All nuclear engineers earn more than all police officers.

• A musician will eventually earn more than a police officer.

You need a cell phone that has a battery life of more than 3.5 hours most of the time. Which brand should you buy?

• Brand A

• Brand B

The double box-and-whisker plot represents the monthly car sales for a year for two sales representatives. Which representative had the single worst sales month during the year?

• Sales Rep A

• Sales Rep B

The double box-and-whisker plot represents the number of tornadoes per month for a year for two states. Which state had the single lease number of tornadoes in a month during the year?

• State A

• State B

Which statement is true about the double box-and whisker plot?

• Half of the test scores in your class are between 85 and 100

• 25% of the test scores in your friend's class are 80 or above.

• The medians are the same for both classes.

• The test scores in your friend's class are more spread out than the test scores in your class.

Which box plot does this data set match {2, 3, 4, 5, 9, 11, 18}

• A

• B

• C

Which restaurant has a higher median wait time?

• Lucy's Steakhouse
• Gary's Grill
• They are the same

Tags

CCSS.3.MD.B.4

• The median test score is 80.

• The lower quartile is 65.

• The upper quartile is 90.

• The IQR is 30.

What does a quartile mean?

• One fourth of the data.

• One half of the data.

• Some data only.

• All of the data.