Measures of Spread – Range, Variance and Standard Deviation
Measures of Spread
Variance and standard deviation are the most common measures of how spread out data is.
While the range of the data is also a measure of spread, it ignores a lot of important information we normally want to capture. From this video, you should understand the relation between standard deviation and variance as well as how we calculate them.
Discuss with your fellow learners any questions you may still have in the comments below.
In the next step, we’ll talk about how we can use and interpret our measure of spread once we have calculated it.
Data Analytics for Decision Making: An Introduction to Using Excel
Data Analytics for Decision Making: An Introduction to Using Excel
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