Box and Whisker Plots

What is the least and greatest value of this data set?

• 6 and 8

• 6 and 19

• 8 and 15

• 15 and 19

What is the range of this data set?

• 6

• 12

• 13

• 19

What does a quartile mean?

• One fourth of the data.

• One half of the data.

• Some data only.

• All of the data.

What is the interquartile range (IQR)?

• 20

• 25

• 30

• 50

Which city has a lower IQR?

• City A
• City B

Which box and whisker plot has the highest median?

• Top plot
• Bottom plot

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

• Top plot
• Bottom plot

Interquartile Range is

• the difference between the third quartile and the first quartile

• the difference between the greatest and least data values.

Which plot has a median of 50?

• Plot 1

• Plot 2

• Plot 3

• Plot 4

Which box and whisker plot has an upper extreme of 100?

• Plot 1

• Plot 2

• Plot 3

• Plot 4