How to Calculate Mean, Standard Deviation, and Standard Error?

Answer 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... Read More »

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How to Calculate Standard Deviation?

Sample or population standard deviationStandard deviation is an extremely important statistic, and is usually one of the first formulas taught in any statistics course. The standard deviation is us... Read More »

How Do I Calculate the Relative Standard Deviation on the TI-83?

The standard deviation allows us to measure the precision of data by calculating its spread--that is, how far the numbers in the data set are from the mean. Calculating the standard deviation manua... Read More »

How to Calculate Standard Deviation in Excel?

Standard deviation shows how numbers in a set of data are bunched together. The smaller the standard deviation, the closer the numbers in the data are toward the mean, and the bell curve will be st... Read More »

How to Calculate Mean and Standard Deviation With Excel 2007?

Calculating the mean and standard deviation in Excel 2007 is as easy as 1, 2, 3 and only takes a few minutes.