Mean, Median, and Range

150 - 170 - 185 - 190 - 190
which is greater, the mean or the median ?

• mean

• median

• they are equal

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

• 13

• 12

• 11

• 10

The salary of the employees in the office were $15,000; $18,000; $16,000; $14,000; $90,000; and $17,000.  What is the best measure of the central tendency of the salaries?

• Mean

• Median

• Mode

• Range

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40

• 24

• 4

• 256

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

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 items and divide by...

• 2

• The minimum

• The maximum

• The number of items

Find the range.
7, 1, 1, 7, 1, 4, 1

• 6

• 5

• 7

• 3

The height of 8 different people are: 1.83m, 1.55m, 1.76m, 1.52m, 1.81m, 1.70m, 1.85m and 1.91m. The range of these heights is:

• 0.39m

• 0.21m

• 0.27m

• 0.16m

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4

• 3.33

• 2.85

• 3

• 3.5