Mean, Median, Mode, and Range

Mean, Median, Mode, and Range

Goal

I can identify ​the mean, median, mode, and range of a data set.

Vocabulary​

Mean

​Average

Sum of all numbers ​in the data set divided by the total number of data values in the set

Median

Measure of center​

Order the ​values from least to greatest, then find the middle

Mode​

Measure of center​

the value that occurs the most​

Range

​Measure of variability

The difference of the greatest value and the least value​

Example 1: Find the Mean

Carla ​is in a bowling league. The league is ranking the teams by average score. What is the mean, or average, final score of the five bowlers on Carla's team?

​

​

Find the Median

Trey and Sarah each ​download songs to their music libraries. Their players list each type of music and the total playing time in minutes for each type. How can Trey and Sarah each summarize their data sets using the median?

Find the Mode

Look at Trey's and Sarah's data music libraries. ​How can Trey and Sarah each summarize their data sets using the mode?

Find the Range

Look at Trey's and Sarah's music libraries. What is the range of the playing times in each of their data sets?

Open Ended

What is the mean, median, mode, and range of the following data set.

4, 6, 8, 3, 2, 1, 0, 9, 12

Open Ended

Nadia's grades on four quizzes were 95, 75, 85, and 95. What is the mean, median, and mode for Nadia's grade.

Open Ended

What is the mean, median, and mode of the following data set.

Open Ended

What is the mean, median, mode, and range of the following data set.

Key concept

You can summarize ​a set of data using a measure of center, such as mean, median, or mode, or a measure of variability, such as the range.

Some text here about the topic of discussion