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In an increasingly data-driven world, it is more important than ever for students as well as professionals to better understand basic statistical concepts. 100 Questions (and Answers) About Statistics addresses the essential questions that students ask about statistics in a concise and accessible way. It is perfect for instructors, students, and practitioners as a supplement to more comprehensive materials, or as a desk reference with quick answers to the most frequently asked questions.
How Can Excel Be Used to Compute Measures of Variability?
How Can Excel Be Used to Compute Measures of Variability?
Both SPSS and Excel can easily be used to compute the range, standard deviation, and variance.
To use Excel to compute these measures of variability you can use either the software’s individual functions or the Data Analysis ToolPak. We assume that you have already entered some data as a column of values.
To use the functions, follow these steps:
- To compute the standard deviation, enter one of the following functions in any free cell (although entering it right below the data is most useful):
- =STDEV.P to compute the population’s standard deviation
- =STDEV.S to compute the sample’s standard deviation
- Enter the range of the values for which you want to compute the standard deviation and press Enter.
- To compute the variance, ...
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