Median, Mode, Mean, and Range

To find the average of a set of numbers, add up all the items and divide by...

• 2.
• The smallest number
• The largest number
• The number of items in the set.

The height of three basketball players is 210 cm, 220 cm and 191 cm.
What is their average height?

• 210

• 207

• 220

• 200

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

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

• 22

• 18

• 9

• 5

Range measures what?

• Center

• Cuteness

• Variability

• Weight

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 median is

• The middle score

•  Scores added & divided by the number of scores

• The most frequent score

• The middle when in order

What is the range?

• average

• biggest-smallest

• the middle #

• happening the most