Creating Boxplots

Box Plots

By Kaylie Eckhout

Box plots are a way of representing the spread of data.

​

​Some text here about the topic of discussion.

How to read a box plot

​Minimum or smallest value

Maximum or largest value

​Range of data= Maximum-Minimum

Multiple Choice

What is the range of math quiz results from Mrs. Sanchez's class?

• 75

• 20

• 95

• 60

How to read a box plot

​median of all data

Multiple Choice

What is the median of math quiz results from Mrs. Sanchez's class?

• 50

• 63

• 70

• 75

How to read a box plot

​Lower Quartile Q1

​Upper Quartile Quartile Q3

​25%

​25%

​25%

​25%

Multiple Choice

What percentage of scores were between 20 and 30?

• 0%

• 25%

• 50%

• 75%

Multiple Choice

What percentage of scores were between 30 and 70?

• 0%

• 25%

• 50%

• 75%

Multiple Choice

What percentage of scores were between 63 and 70?

• 0%

• 25%

• 50%

• 75%

How to read a box plot

​Interquartile

​Interquartile Range:

Q3-Q1​

​Q1

​Q3

Multiple Choice

What is the interquartile range of these scores?

• 50

• 70

• 40

• 30

Multiple Choice

What is the median?

• 62
• 58
• 66
• 60

Multiple Choice

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

Multiple Choice

What percentage of the data is between 90 and 140?

• 25 %
• 50%
• 75%
• 100%

Multiple Choice

What is the minimum value?

• 64
• 58
• 66
• 60

Multiple Choice

Which box and whisker plot has the highest median?

• Top plot
• Bottom plot