Mean of Data

What is the mean of test scores?
{70, 70, 80, 85, 85, 90, 95, 95, 100, 100}

• 87

• 85, 95, and 100

• 30

• 85 and 90

Find the mean of the numbers below:

20, 30, 24, 32

• 26.5

• 27.5

• 27

• 27.5

To find the mean of a set of numbers, the 2nd step is to ...

• divide the largest number from the smallest number

• add all numbers together

• subtract the largest number from the smallest number

• divide by the total number of items

Calculate the mean.

• 8

• 4

• 7

• 22

Find the mean of the numbers below:

3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1

• 3

• 2

• 1

• 4

What is another word for AVERAGE?

• Mode

• Median

• Mean

• Meme

What is the 1st step when find the mean of a set of data?

• subtract the largest number from the smallest number

• divide by the total amount of numbers in the set

• add all the data together

• find the number in the middle

Find the mean:
28, 18, 19, 18, 17

• 20

• 18

• 11

• 19

On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________

• 91

• 273

• 87

• 93

Mary read six books in January, four books in February, and eight books in March .What was the average number of books read each month?

• 18

• 6

• 5

• 7