Find the Range & Interquartile Range (IQR) from a Box Plot (Box and Whisker Plot) | Math with Mr. J

What does the range of a data set represent?

• The middle value of the data.

• The spread of the middle 50% of the data.

• The difference between the highest and lowest values.

• The most frequent value in the data.

What does the Interquartile Range (IQR) tell us about a data set?

• The difference between the maximum and minimum values.

• The spread of the middle 50% of the data.

• The average value of the data.

• The value that appears most often.

Using the box plot shown, what is the range of the data?

• 14

• 18

• 4

• 7

Based on the box plot, what is the Interquartile Range (IQR)?

• 14

• 7

• 9

• 16