Given a sample size of 100 if you cut your standard deviation in half, what would your new sample size be
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Given a sample size of 100 if you cut your standard deviation in half, what would your new sample size be

[From: ] [author: ] [Date: 11-12-22] [Hit: ]
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How do I work this out? Details would be nice. Thanks!

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SE = SD/sqrt(n) Then n = (SD/SE)^2

So for the same SE, if you half the SD then you will need only ¼ of the original sample size (as ½*½= ¼).
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