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14-07-2018
Mathematics

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Which normal distribution has a wider spread: the one with mean 9 and standard deviation 5 or the one with mean 5 and standard deviation 9?

Respuesta :

14-07-2018

The spread is controlled by the standard deviation. The mean value only controls where the center of the bell is.

So a normal distribution with a sigma of 9 is wider than one with a sigma of 5.

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