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Lesson 1: Measuring center in quantitative data. Statistics intro: Mean, median, & mode. Mean, median, & mode example. Mean, median, and mode. Calculating the mean. Calculating the mean. Calculating the median. Choosing the "best" measure of center.
Khan Academy
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Practice finding the median of a data set. Like the mean, the median gives us a sense of the middle, or center, of the data.
Mean absolute deviation (MAD) of a data set is the average distance between each data value and the mean. Mean absolute deviation is a way to describe variation in a data set. Mean absolute deviation helps us get a sense of how "spread out" the values in a data set are.
Lesson 1: Measuring center in quantitative data. Statistics intro: Mean, median, & mode. Mean, median, & mode example. Mean, median, and mode. Calculating the mean. Calculating the mean. Calculating the median. Choosing the "best" measure of center.
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The range is the difference between the largest and smallest data points in a set of numerical data. The midrange is the average of the largest and smallest data points. Range is an easy to calculate measure of variability, while midrange is an easy to calculate measure of central tendency.
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In this math unit, you'll learn how to make line plots to show data in a simple and clear way. We'll also find out how to calculate the mean and median, which are special numbers that help us understand more about our data!