How to Calculate Standard Deviation and Variance in Excel: Step-by-Step Guide

Learn how to calculate standard deviation and variance in Excel using VAR.P, VAR.S, STDEV.P, and STDEV.S functions with easy steps.

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To calculate standard deviation and variance in Excel: 1. Input your data into a column. 2. For variance, use the formula `=VAR.P(range_of_data)` for population variance or `=VAR.S(range_of_data)` for sample variance. 3. For standard deviation, use `=STDEV.P(range_of_data)` for population or `=STDEV.S(range_of_data)` for sample. 4. Press Enter to see the result. Example: `=STDEV.S(A1:A10)`.

FAQs & Answers

  1. What is the difference between VAR.P and VAR.S in Excel? VAR.P calculates the variance for an entire population, while VAR.S calculates variance for a sample of the population.
  2. Which Excel function do I use to calculate sample standard deviation? Use the STDEV.S function to calculate the standard deviation of a sample in Excel.
  3. Can I calculate variance and standard deviation for a range of cells? Yes, you can apply the VAR.P, VAR.S, STDEV.P, and STDEV.S functions to a specified range of cells containing your data.
  4. Do Excel standard deviation functions include or exclude empty cells? Excel functions like STDEV.P and STDEV.S ignore empty cells and text values in the selected range.

Watch More

For more in-depth tutorials on Excel statistical functions, check out our videos on calculating averages, using Excel formulas for data analysis, and understanding descriptive statistics.

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