# Worksheet: Box-and-Whisker Plots

Q1:

This is a box-and-whisker plot for the test scores of a chemistry test. What is the median score?

Q2:

Using the given box-and-whisker plot, find the range of the data.

Q3:

The given box-and-whisker plot represents the test scores for a trigonometry test. Determine the percent of the scores that are greater than or equal to 95.

Q4:

Using the given box-and-whisker plot, find the interquartile range of the data.

Q5:

State if this is true or false: The value 48 is an outlier.

• Afalse
• Btrue

Q6:

Is half of the data in the interval 36â€“56?

• Ayes
• Bno

Q7:

Which set of data could be represented by the given box-and-whisker plot?

• A79, 76, 76, 78, 72, 79, 80, 72
• B76, 72, 76, 78, 71, 80, 73, 76
• C72, 72, 78, 80, 78, 76, 76, 76
• D80, 80, 78, 72, 76, 71, 76, 76
• E78, 72, 78, 76, 76, 72, 76, 81

Q8:

Which of the following sets of data can be represented by this box-and-whisker plot?

• A17, 20, 18, 19, 20, 16, 16
• B18, 19, 14, 19, 16, 22, 17
• C17, 16, 18, 14, 20, 19, 22
• D16, 14, 27, 20, 22, 17, 16
• E19, 19, 17, 14, 22, 20, 21

Q9:

Using the given box-and-whisker plot, find the range of the data.

Q10:

Test scores for students in a class are displayed in the box-and-whisker plot. What percentage of students scored at least 60 on the test?

Q11:

The given box-and-whisker plot represents the test scores for a trigonometry test. Determine the percent of the scores that are greater than or equal to 65.

Q12:

State whether the following statement is true or false: The data in the interval between the lower quartile and the median is more spread out than the data in the interval between the median and the upper quartile.

• Afalse
• Btrue

Q13:

State if the following is true or false: There are more data values in the interval 36â€“80 than there are in the interval 64â€“80.

• Atrue
• Bfalse

Q14:

Using the given box-and-whisker plot, determine how many fish were found in at least three-fourths of the rivers surveyed.

Q15:

Using the given double box-and-whisker plot, determine the percent of the boys and then the percent of the girls who are 66 inches or shorter.

• A,
• B,
• C,
• D,

Q16:

The double box-and-whisker plot shows the heights of the boys and girls of a class. Who is taller on average, the boys or the girls?

• Agirls
• Bboys

Q17:

The double box-and-whisker plot shows the heights of the boys and girls of a class. Who is taller on average, the boys or the girls?

• Agirls
• Bboys

Q18:

This double box-and-whisker plot compares the prices of books in 2 bookstores. What percent of books in bookstore B have a price of at least 90 dollars?

Q19:

This double box-and-whisker plot compares the prices of books in 2 bookstores. Which bookstore has a greater range of prices?