Measure of Center with Samples

Median is the

• data

• average

• most frequent

• middle of the numbers

Mode is the

• most frequent

• middle of the numbers

• data

• average

Find the mean.

• 8

• 10

• 7

• 9

Find median

• 15

• 8

• 26

• 12.5

Find the mode.

• 88

• no mode

• 90

• 93

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

• 2

• The minimum

• The maximum

• The number of items

What is the mode?

• happening the most

• the average

• biggest - smallest

• the middle #

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

• True

• False

Given the set of data below, what would be the most meaningful measure?
1, 1, 1, 1, 1, 1, 1, 1, 1, 21

• Mean

• Median

• Mode

• Range

If you have two numbers in the middle, you should

• add them together and divide by two

• find the number in between the two

• find the mean of the two numbers

• all of these