Understanding Box Plots

What is another name for a box and whisker plot?

• Box Plot

• Pie Chart

• Line Graph

• Histogram

Which of the following is NOT a part of the five-number summary in a box and whisker plot?

• Minimum

• Maximum

• Mean

• Median

What does the line inside the rectangle of a box and whisker plot represent?

• Maximum

• Minimum

• First Quartile

• Median

How do you find the median if you have an even number of data points?

• Choose the largest number

• Choose the smallest number

• Take the average of the two middle numbers

• Choose the middle number

What is the first quartile also known as?

• Upper Quartile

• Lower Quartile

• Median

• Maximum

If the first quartile is 7 and the third quartile is 12, what is the interquartile range?

• 4

• 19

• 5

• 9

What percentage of the data does the interquartile range represent?

• 100%

• 75%

• 50%

• 25%

In a box and whisker plot, what does the whisker extending to the maximum represent?

• Entire data set

• Bottom 25% of the data

• Middle 50% of the data

• Top 25% of the data