Mean, Median, Mode and Range

A data set can have more than one mode

• True

• False

If a data set has an outlier (number significantly smaller or significantly larger than all the others), which measure of center is wiser to use?

• Mean

• Median

What’s the Mean Value of these 4 numbers?

• 3

• 4

• 6

• 12

6. Find the mean.

• 4

• 5

• 10

• 20

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 (average) number of pages she wrote per day?

• 5

• 6

• 9

• 11

Find the Median:

67, 74, 95, 96, 98, 98, 99, 102

• 91.125

• 96

• 97

• 98

Find the median.

7, 1, 1, 7, 1, 4, 1

• 4

• 7

• 1

• 3

What’s the mode?

• 1

• 2

• 7

• 9

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13

• 12

• 11

• 10

What is the mode in this set of numbers:

• 3

• 5

• 7

• 20

• No Mode