Mean, Mode, Median

Find the median for this data set:

2, 2, 9, 10, 14, 16, 18, 20, 22

• 15

• 14

• 12

Find the median for this data set:

3, 3, 6, 8, 13, 15

• 7

• 6

• 8

Find the mean for this data set:

1, 6, 7, 7, 11, 13, 13, 13, 16, 16

• 10

• 13

• 10.3

Find the median for this data set:

1, 6, 7, 7, 11, 13, 13, 13, 16, 16

• 12

• 11

• 13

Bryan recorded the number of hours he slept last week. The data is shown below.
6.5, 7, 7.5, 6.5, 12, 7, 7.5
Which is a true comparison of the measures of center for Bryan's sleep data?

• Median = Mean

• Mean < Median

• Mean > Median

• Range = Mean

Over the last five days, Jen ran 5, 4, 6, 4.5, and 5.5 miles. The most appropriate measure of center for this data is:

• Mean because all the numbers are close together.

• Median because all the numbers are close together.

• Mean because 2 is much lower than the other numbers.

• Median because 2 is much lower than the other numbers.

Ms. Andrey claims the average score on a quiz in her class was 25. Mr. Luna claims the average score on a quiz in his class is 25.

• Ms. Andrey used the mode, while Mr. Luna used the median.

• Ms. Andrey used the mean, while Mr. Luna used the mode.

• Both teachers used the mean.

• Both teachers used the median.

Match the following terms with its correct definition.

• The middle value in a list of numbers when arranged in ascending order

• Median

• Add together, and divide by 2.

• Range

• The number that appears most frequently in a set of numbers

• What if there are 2 numbers in the middle?

• The sum of all values divided by the total number of values

• Mode

• The difference between the highest and lowest values in a set of numbers

• Mean or Average

This list shows the number of text messages 5 friends sent last week: 15, 17, 19, 20, 24 The most appropriate measure of center for this data is the

• mean because all the numbers are close to one another in value.

• median because all the numbers are close to one another in value.

• mean because 15 text messages is much lower than the other numbers.

• median because 15 text messages is much lower than the other numbers.

Which measure of center is more accurate for Running Crew? Circle your answer.

• Mean

• Median