Statistics review

The mode is the number ________________________.

• you see most

• you see least

• you don't see

• you see first

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the MODE.

12,10,10,10,13,12,11,13,10

• 10

• 12

• 10 and 12

• No Mode

Find the average of these numbers.

10, 3, 2, 5

• 5

• 4

• 10

• 3

What is the RANGE of these numbers:

22, 20, 23, 21, 23, 25, 22, 29

• 5

• 9

• 2

• 6

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4
• There isn't one
• 3.5
• 3

1. Find the average (mean) of these numbers.
10, 3, 2, 5

• 5
• 4
• 10
• 3

The diagram shows the ages of a group of people.

How old is the youngest person in the group?

• 4

• 10

• 14

• 1

The diagram shows the ages of a group of people.

How many people are under 20?

• 4

• 5

• 3

• 8

The diagram shows the heights of Mr Pearce's plants

How many plants have a height of 14cm?

• 1

• 4

• 5

• 3

What is the MEAN for this data?

• 80
• 1040
• 13
• 81