Finding the Mean

Another name for Mean is...

• Median

• Average

• Mode

How do you find the mean of a set of numbers?

• Add all of the numbers up and then divide by the amount of numbers you have

• Do the largest number minus the smallest number

• Find the middle number

• Find the number that occurs most often

Find the mean of these numbers:
5, 11, 2, 12, 4, 2

• 4.1
• 6
• 4.5
• 4

8. Find the mean.
120, 120, 90, 70

• 120
• 400
• 200
• 100

Find the mean for the number of dog walks per day.

• The mean is 20

• The mean is 4

• The mean is 5

• The mean is Wednesday.

On the States and Capitals test, Devin scored a 12, Levi scored a 15, and Ryan scored a 18. What was the average score for these students? _________

• 15

• 45

• 12

Jeff has four grades in Science. If his scores are 100, 96, 96, and 100, what is his average?

• 96

• 97

• 98

• 100

What is the average of the following data set:

25, 36, 40, 55, 22, 32, 51, 43

• 41

• 32

• 40

• 38

What is another word for AVERAGE?

• Mode

• Median

• Mean

• Not nice

Tags

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

Calculate the mean:

57, 32, 45, 38, 42, 54, 51, 39, 47, 43, 36, 56

• 54

• 49

• 60

• 45