Box and Whisker Plots

What does point C on the box plot represent?

• First Quartile

• Median

• Third Quartile

• Mean

What do points B and D represent on the box plot?

• Mean and Mode

• Mean and Median

• Least and Greatest Value

• First and Third Quartiles

What is the median of this data set?

• 8

• 12

• 15

• 19

What is the Interquartile Range of this data set? The lower (first) quartile is 19 and the upper (3rd) quartile is 56.

• 75

• 37

• 72

If 44 values were used for the data, about how many data values are greater than the 1st quartile?

• 11
• 22
• 33
• 128

True of false, 75% of the data values are greater than 18?

• True
• False, 75% of the values are greater than 16
• False, 50 % of the values are greater than 18
• False, 25% of the values are greater than 18

What percent of the data is between 25 and 30 on the number line?

• 25%
• `50%
• 75%
• 100%

11. What percentage of the data is between 90 and 140?

• 25 %
• 50%
• 75%
• 100%

Which box and whisker plot has the smallest lower quartile?

• Top plot
• Bottom plot

Which box and whisker plot shows more "spread out" data?

• Top plot
• Bottom plot