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A population has a mean muequals75 and a standard deviation sigmaequals8. Find the mean and standard...

A population has a mean muequals75 and a standard deviation sigmaequals8. Find the mean and standard deviation of a sampling distribution ​( mux​ & font size increased by 1 font size increased by 1 font size increased by 1 font size decreased by 1 font size decreased by 1 sigma font size decreased by 1 nothing font size increased by 1 nothing font size decreased by 1 font size decreased by 1 nothing font size decreased by 1 nothingx ​) of sample means with sample size nequals64. mu Subscript x overbarequals nothing ​(Simplify your​ answer.) sigma Subscript x overbarequals nothing ​(Simplify your​ answer.)

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Answer #1

Solution :

Given that ,

mean = = 75

standard deviation = = 8

n = 64

The shape of the sampling distribution is approximately normal,

=   = 75

= / n = 8 / 64 = 1

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