ES - Measures of Center Lesson

Measures of Center

Values that can be used to describe the center of a set of data are mean, median, and mode.

Mean: The average value for the data. The sum of all the items divided by the number of items in the set. Median: The middle value when the data are in numerical order, or the mean of the two middle values if there are an even number of items. Mode: The value or values that occur most often in a data set. There can be more than one mode, or no mode.

Watch the videos below to learn more about finding the mean, median and mode. Click the arrow in the upper right corner to move to the next video.

Measures of Center Assignment

Download the "Measures of Center Assignment" by clicking here. Be sure to work all of the practice problems on paper. You will use these problems and solutions to complete the "Exploring Real-life Phenomena through Statistics Homework Quiz 1." Remember you can always go back and review the lessons and videos for more help. Links to an external site.

Once you've done the practice work, you can click here for the answer key to check it.  Links to an external site.

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