Data and Statistics

The distance between the greatest number and the least number in a set of data.

• Mean 
• Median
• Range
• Mode

The ____________ of a data set is the middle value when results are put in ascending order.

• Outlier

• Median

• Range

• Mode

Calculate the mean from the following data set:

3, 4, 3, 2, 8

• 9

• 3

• 4

• 6

Calculate the median from the following data set:

3, 4, 3, 2, 8

• 4

• 5

• 3

• 8

Find the mode of the following data set:

3, 4, 3, 2, 8

• 5

• 8

• 4

• 3

Calculate the range from the following data set:

3, 4, 3, 2, 8

• 20

• 8

• 2

• 6

Nick, Lachlan and Kat are looking at the following data set: 2, 3, 3, 4, 5, 6,.

Nick, Lachlan and Kat want to identify the median. It is..

• 3 and 4

• 3.5

• 4

• 2 and 6

Use the ordered stem and leaf plot to identify the mode (there may be more than 1). Key: 1|2 = 12

• 37 and 40

• 7

• 41 and 12

• 29

Use the ordered stem and leaf plot to identify the median . Key: 1|2 = 12

• 38

• 19

• 11, 13 and 15

• 22

Use the ordered stem and leaf plot to calculate the range:

• 4

• 35

• 47

• 40