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Standard error

math Maturity 11-13

Sometimes we guess how many things are in a big group. We look at a small part to help us. We want to know if our guess is good. A bigger group helps us be sure. It makes our guess better.

standard deviation diagram.svg
standard deviation diagram.svg
Can you find a pattern in things?

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File:standard deviation diagram.svg
standard deviation diagram.svg
File:SampleBiasCoefficient.png
SampleBiasCoefficient.png
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Standard deviation
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Standard deviation Margin of error Variance Sample mean and covariance
📚 Content adapted from Wikipedia | Readability: FK 16.5 | Vital Level 4