Box Plots and Numerical Summaries

• A

• B

• C

• D

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

What is the range of this data set?

• 6

• 12

• 13

• 19

What is the Range of this data set?

• 13

• 37

• 72

Interquartile Range is

• the difference between the third quartile and the first quartile

• the difference between the greatest and least data values.

Range is

• the difference between the third quartile and the first quartile

• the difference between the greatest and least data values.

What is the median of this data set?

• 8

• 12

• 15

• 19

Data points in the first quartile are between which two points?

• 6 and 8

• 8 and 12

• 12 and 15

• 15 and 19

Which box and whisker plot has the highest median?

• Top plot

• Bottom plot

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58