About what percentage of the data lies within 2 standard deviations of the mean in a normal distribution?

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asked Apr 19, 2017 491 views

2 Answers

Cahit · Answer 1 · 2017-04-26T01:08:36+0000

we should do the whole math calculation, but for ease, we know that the percentage contained within 2 std deviations of a normal distribution is:
= 2(13.6) + 2(34.1)
= 95.4%

About what percentage of the data lies within 2 standard deviations of the mean in a normal distribution?

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