Difference between revisions of "Calculate Mean, Standard Deviation, and Standard Error"
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After collecting data, often times the first thing you need to do is analyze it. This usually entails finding the mean, the standard deviation, and the standard error of the data. This article will show you how it's done. | After collecting data, often times the first thing you need to do is analyze it. This usually entails finding the mean, the standard deviation, and the standard error of the data. This article will show you how it's done. | ||
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== Steps == | == Steps == | ||
=== Cheat Sheets === | === Cheat Sheets === | ||
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#*So for the example above, if this were a sampling of 5 students from a class of 50 and the 50 students had a standard deviation of 17 (σ = 21), the standard error = 17/sqrt(5) = 7.6. | #*So for the example above, if this were a sampling of 5 students from a class of 50 and the 50 students had a standard deviation of 17 (σ = 21), the standard error = 17/sqrt(5) = 7.6. | ||
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== Tips == | == Tips == | ||
