Mean, Median, Mode, Range, MAD, Dot Plots

What is the mean?

• The number that appears the most

• the number in the middle

• biggest-smallest

• the average

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29

• 38

• 50

• 145

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

• 4.1

• 6

• 4.5

• 4

What is the median?

• biggest- smallest

• average

• the middle number

• # that happens the most

Find the median of these numbers:
4,2,7,4,3

• 2

• 5

• 7

• 4

Find the median of these numbers:
4,2,7,4,3

• 2

• 5

• 7

• 4

What is the mode?

• # happening the most

• the average

• biggest - smallest

• the middle #

Find the mode of these numbers:
4,3,6,4,3,6,6,3,2,1,3

• 3

• 6

• 4

• 2

Find the mode of these numbers:
4,4,6,6,2,2,6,2,4,2

• 2

• 4

• 6

• 2.4

What is the range?

• average

• highest number minus smallest number

• the middle number

• number that appears the most