Mean, Median, Mode, and Range, Interquartile, Iqr

Find the median.
12, 5, 9, 18, 22, 25, 5

• 9
• 8
• 12
• 18

Find the range.
12, 5, 9, 18, 22, 25, 5

• 20
• 15
• 22
• 18

Find the mean.
90, 100, 95, 85, 60, 80

• 85
• 84
• 86
• 90

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

In order to find the median, the data must be sorted from least to greatest first.

• True
• False

What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

What is the mode?

• # happening the most
• the average
• biggest - smallest
• the middle #

Calculate the interquartile range of the following data17, 18, 18, 19, 20, 21, 21, 23, 25

• 3
• 4
• 5
• 8

find the lower quartile of the following set of scores12, 9, 4, 6, 5, 8, 9, 4, 10, 2

• 10
• 4
• 9
• 6