Describing Data

9, 9, 18 - What is the mean?

• 9

• 18

• 36

• 12

9, 12, 12 - What is the mean?

• 11

• 12

• 9

• 10

A data set can have more than one mode

• True

• False

What is the median of this data set?
5, -2, 4, 2, -3, 0

• -1

• 0

• 1

• 2

True or False? All three data sets have a mean of 10.

• True

• False

Both graphs show data with a similar...

• maximum

• minimum

• standard deviation

• mode

Which data set would have the largest standard deviation?

• First

• Second

• Third

• Too close to tell

The shape of the distribution is...

• uniform

• bimodal

• symmetric

• bell shaped

The data is...

• skewed to the right

• skewed to the left

Which is the better measure of center for skewed data?

• mean

• median