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11-09-2017
Mathematics

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Rasheed examined the gre math scores of the first-year graduate students in his statistics class to see the variability. rasheed found the variance to be 14,400. what is the standard deviation for this data?

Respuesta :

18-09-2017

The standard deviation, generally denoted by [tex]\displaystyle{ \sigma[/tex], is the square root of the variance v.

So the formula is : [tex]\displaystyle{ \sigma = \sqrt{v}[/tex]

thus, for v=14,400 we have [tex]\displaystyle{ \sigma = \sqrt{14,400}=120[/tex]

Answer: 120

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