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 Dec 18, 2018
 #1
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68%  of the values  fall within 1 standard deviation of the mean

 

So....the range is  given by

 

60 - 4.5  =  55.5 in    

and

60 + 4.5 = 64.5 in

 

"B"

 

 

cool cool cool

 Dec 18, 2018

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