Mean Median Mode and Range Box and Whisker Plots

What is the median of this data set?

• 8

• 12

• 15

• 19

In a box and whisker plot, what does the line inside the box represent?

• Mean

• Mode

• Median

• Range

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 above represents the data for the number of tickets sold, in hundreds.

Which conclusion can be made using this plot?

• The second quartile is 600

• The mean of the attendance is 400

• The range of the attendance is 300 to 600

• Twenty-five percent of the attendance is between 300 and 400

A box-and-whisker plot shows the minimum at 10, Q1 at 20, median at 30, Q3 at 40, and maximum at 50. What is the interquartile range?

• 10

• 20

• 30

• 40

In a box plot, what do the ends of the "whiskers" represent?

• The minimum and maximum of the data

• The interquartile range

• The mean of the data

• The mode of the data

What is the mean of the following set of numbers: 4, 8, 15, 16, 23?

• 12

• 13.2

• 15

• 16

What does a narrow box in a box plot indicate about the interquartile range (IQR)?

• The IQR is large, indicating high variability

• The IQR is small, indicating low variability

• The IQR is equal to the range of the dataset

• The IQR cannot be determined from the width of the box

From the box plot, if the whiskers are at 5 and 20, and the box spans from 10 to 15, what is the range of the data?

• 10

• 15

• 20

• 25

In a box plot, the whiskers extend to the:

• Mean of the data

• Minimum and maximum values

• First and third quartiles

• None of the above

What feature of a box plot indicates the spread of the middle 50% of the data?

• The whiskers

• The median line

• The interquartile range (IQR)

• The outliers