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Standard deviation question

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by ildude02 » Sun Jun 01, 2008 11:00 am
given that the SD is 22.4 and rounded to tenth is 22.
Calculate the mean and it is 100.
It asked for the numbers which are 1 SD less then the mean => less then 100-22 = 78. Only TWO of them are less then that.
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by molt_llest » Sun Jun 01, 2008 11:10 am
Thank you!
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