Measures of Central Tendency

To find the MEAN 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.

What is the MEDIAN?

• The number in the middle when the numbers are in order from least to greatest.

• The difference between the largest and smallest number.

• The average

• The number that appears most often.

What is the MODE?

• The average

• The item that appears most often.

• The largest number - the smallest number

• The item in the middle.

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

A data set can have more than one _______

• Median
• Mode
• Mean
• Midrange

6. Find the mean.
18, 2, 0, 0, 0

• 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 number of pages she wrote per day?

• 5
• 6
• 9
• 11

In the last 5 games, Kevin Durant scored 22, 22, 18, 12, and 21 points. What is Durant's Mean (Average) score per game?

•  19 points per game
• 95 points per game
• 18.6 points per game
• 22 points per game

What is the MEDIAN of this set of data?

10, 90, 80, 60, 50, 40, 70, 30, 20, 100

• 50

• 60

• 55

• 45

Find the median.
7, 1, 1, 7, 1, 4, 1

• 4
• 7
• 1
• 5