Statistics Quiz

Dr. Hernandez is a dentist. He needs to report on the average (Mean) number of cavities that his patients have.

1, 0, 1, 5, 0, 3, 4. What is the average number of cavities?

• 14

• 2

• 7

• 1

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

• 193

• 127

• 60

• 66

What is the mean of the following set of numbers: 8, 3, 5, 10, 5?

• 5

• 6

• 7

• 8

Find the median of this dataset: 12, 15, 11, 20, 14.

• 12

• 14

• 15

• 11

Identify the mode in the following dataset: 7, 9, 7, 6, 5, 9, 7.

• 5

• 6

• 7

• 9

Calculate the range of the following set of numbers: 4, 8, 15, 16, 23, 42.

• 38

• 39

• 40

• 42

What is the mean of these numbers: 20, 15, 25, 30, 20?

• 20

• 22

• 24

• 26

Find the median of this dataset: 33, 21, 45, 55, 22, 34.

• 28.5

• 33.5

• 34.5

• 38.5

What is the mean of these numbers: 55, 60, 65, 70, 75?

• 65

• 66

• 67

• 68

Find the median of this dataset: 101, 103, 107, 109, 113, 117, 119.

• 107

• 109

• 111

• 113