Mean, Median, Mode, and Range

To find the _________ you add up all the numbers and then divide by how many numbers you have.

• Mean

• Median

• Mode

• Range

To find the ______ you put all numbers in order from least to greatest and then take the largest number minus the smallest number.

• Mean

• Median

• Mode

• Range

To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.

• Mean

• Median

• Mode

• Range

How would you describe the mean?

• difference

• average

• middle

• most repeated number

Match the following terms with its correct definition.

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

• Mode

• Add together, and divide by 2.

• Median

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

• Range

• The difference between the highest and lowest values 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

• Mean or Average

Teresa interviewed each teacher at her school to find out how long they had been teaching. She organized her results with a stem-and-leaf plot. According to her data, which statement is true?

• There is no mode.

• No teacher has taught for fewer than 10 years.

• The median is 18.

• The spread of the data set is 29.

Read the definition and match each word to the correct box.

• Mode

• Measure of center that lies in the middle of a set of data arranged in order

• Mean

• Measure of variation that represents the spread of a set of data.

• Median

• Measure of center that occurs most often in a data set.

• Range

• Measure of center that represents the fair share of a set of data.

Find the mean.
18, 2, 0, 0, 0

• 4

• 5

• 10

• 20

What is the median of this data set?

• 6

• 3

• 7

• 8

A data set can have more than one mode

• True

• False