Statistics Review

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

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

• 13

• 12

• 11

• 10

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?

• 193

• 127

• 60

• 66

What is the mode?

• The number that occurs the most

• The average

• Biggest take away the smallest

• The middle number

Find the mean of these numbers:

5, 11, 2, 12, 4, 2

• 4.1

• 6

• 4.5

• 4

Find the median of these numbers:

4, 2, 7, 4, 3

• 2

• 5

• 7

• 4

To find the mean of a set of numbers, add up all the values and divide by...

• 2

• The minimum

• The maximum

• The number of values

In order to find the median, the data must be sorted from smallest to biggest first.

• True

• False

What is the range?

• The average

• Largest number take away the smallest

• The middle number

• The number that occurs the most

Find the range.
12, 5, 9, 18, 22, 25, 5

• 20
• 15
• 22
• 18

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have. Find the mean.

1, 0, 1, 5, 6, 3, 4

• 3.33

• 2.85

• 3

• 3.5