Measures of Tendency and Stem and Leaf Plot

To find the _________ you add up all the numbers and then divide by how many numbers you have.

• Mean
• Median
• Mode
• Range

To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.

• Mean
• Median
• Mode
• Range

If there is an even number of data in the data set how do you find the median?

• close your eyes and hope for the best

• order the data add the 2 middle values and divide by 2

What is the median of the data below?

20 , 3 , 17 , 1 , 5

• 5

• 17

• 19

• 9.2

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

• 9
• 8
• 12
• 18

What is another word for mean?

• median

• average

• mode

• sum

• quotient

What is the mode?

• the number that occurs the most in a data set

• the middle number in the data

• the average of all the numbers

• the range of the data

What is the mode of the data below?

12 , 14 , 5 , 12 , 5 , 12 , 11

• 5

• 12

• 5 and 12

• 11.8

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

Can there be more than one mode?

• Yes
• No