Mean, Median, Mode, & Range

What is the range?

• The sum of the largest and smallest number

• The number in the middle

• The difference between the largest and smallest number

• The number that appears most often

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40

• 24

• 4

• 256

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

What is the definition of the mean?

• The average

• The middle number

• The difference between the highest and lowest numbers

• The number that occurs the most

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

• 14

The cost of four cell phones are $345, $400, $110, and $640.
What is the median cost

• $330

• $390

• $372.50

• $375

Christian has six grades from tests and IXL. They are all weighted equally. If Christian's grades are 100, 96, 96, 88, 70, and 100, what is the current average grade? (Round to the nearest whole number)

• 90

• 91

• 92

• 93

What is the median of this data set?

7, 9, 7, 8, 3, 2, 3, 9, 6

• 6

• 3

• 7

• 8

What is the mode of this data set?

6, 5, 5, 9, 8, 7, 9

• 9 and 6

• 5

• 9

• 5 and 9