Mean Median Mode Pretest

Find the mean of the set of data
5.5,4.5,6.75,3.25

• 6

• 4.5

• 5

• 4

To find the average of a set of numbers, add up all the items and divide by...

• 2

• The minimum

• The maximum

• The number of items

A data set can have more than one mode

• True

• False

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

• 13

• 12

• 11

• 10

Why would median be the best measure of center for the following set of data?
100, 125, 100, 95, 125, 800, 150

• There is an outlier.

• There is repeated data.

• All values should be included in the measure of center.

• All of the above.

What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7

• 7

• 20

• 7 & 14

• none of the above

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

• 58

• 59

• 60

• 118

The mode, the range and the mean of the following set of data are, respectively:
13, 18, 13, 14, 13, 16, 14, 21, 13

• 13, 8 and 13

• 13, 8 and 15

• 13, 7 and 15

• 14, 7 and 13

Paulo got these markers in three tests: 72, 80 and 82. He had one more test to sit. He wanted an average of 80 for the four tests. What mark must he get in the fourth test?

• 78

• 80

• 84

• 86

If the mean is 15 what is the missing number in the data
12,13,12,14,18,x

• 21

• 15

• 18

• 20