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Standard deviation

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There are three values: 2.15*10^-18, 1.97*10^-18, 2.48*10^-18. Average value is 2.20*10^-18

Find the standard deviation to correct number of significant figures. Standard deviation should be reported to same power as the average value.

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Solution Summary

It finds the standard deviation to correct number of significant figures.

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Please refer to the attached file. Cheers.

The standard deviation is defined as:

where  is ...

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