Calculating the Mean

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

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

• 120
• 400
• 200
• 100

Find the mean of 
9, 11, 2, 6

• 4
• 5
• 6
• 7

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

• 4.1
• 6
• 4.5
• 4

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 of the following cell phone usage per month: 445, 516, 618, 575, 288

• 488.4
• 484
• 488
• 487.5

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4

• 3.33
• 2.85
• 3
• 3.5

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

• 4.1
• 6
• 4.5
• 4

What is the balance point from the given set of data?

• 4
• 5
• 6
• 7