Measures of Central Tendency

What is the median of this box-and-whisker plot?

• 12

• 24

• 35

• 18

Which paper airplane has a greater median flight length?

• Airplane A

• Airplane B

What is the least value on the box-and-whisker plot?

• 24

• 36

• 8

• 12

The median of the lower half of a data set is called what?

• Upper quartile

• Interquartile range

• Outlier

• Lower quartile

The is the middle number in a set of data.

• Mode

• Mean

• Median

What is the mode of the scores of these 11 ping pong balls?

• 3

• 5

• 9

• 7

Which city has a greater interquartile range of apartment rental costs?

• City A

• City B

Find the mean of the data set: 22, 18, 15, 19, 21.

• A) 95

• B) 21

• C) 19

• D) 15

What is the outlier in this set of data? 22, 18, 15, 19, 61, 21.

• 18

• 22

• 61

• 19

What is the range of this set of data? 18, 17, 21, 18, 26.

• 43

• 26

• 9