If a set of 25 numbers has standard deviation 8, then it's variance is

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evanhogan1 evanhogan1

10-02-2017
Mathematics

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If a set of 25 numbers has standard deviation 8, then it's variance is

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Suppose theta= 11pi/12. How do you use the sum identity to find the exact value of sin theta?

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Edufirst Edufirst · Answer 1 · 2017-02-19T11:37:34+01:00

Edufirst Edufirst

19-02-2017

This is just to apply a simple formula.

The formula is variance is the squared standard deviation.

Call variance v and standard deviation s => v = s^2

Here s = 8 => v = 8^2 = 64

Answer: 64

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