Standard Deviation Worksheets
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Standard Deviation
Examples, solutions, videos, and worksheets to help Grade 8 students learn how to calculate the standard deviation for a set of data. The standard deviation is interpreted as a typical distance from the mean.
How to calculate Standard Deviation?
Standard deviation is a statistical measure that tells us how spread out a set of data is. A low standard deviation means the data points tend to be close to the mean, while a high standard deviation indicates that the data points are spread out over a wider range.
Here’s a step-by-step guide to calculate standard deviation:
- Calculate the mean:
Add up all the data points.
Divide the sum by the number of data points. - Calculate the deviation of each data point from the mean:
Subtract the mean from each data point. - Square each deviation:
Square each deviation calculated in step 2. - Calculate the variance:
Add up all the squared deviations.
Divide the sum by the number of data points minus 1 (for sample standard deviation) or by the number of data points (for population standard deviation). - Calculate the standard deviation:
Take the square root of the variance.
Have a look at this video if you need to review how to find the standard deviation.
Click on the following worksheet to get a printable pdf document.
Scroll down the page for more Standard Deviation Worksheets.
More Standard Deviation Worksheets
Printable
(Answers on the second page.)
Standard Deviation Worksheets #1
Standard Deviation Worksheets #2
Standard Deviation Worksheets #3
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