Statistics from a weather centre indicate that a certain city receives an average of 23 inches of snow each year,with a standard deviation of 3 inches.Assume that a Normal model applies.A student lives in this city for 4 years.Let $\overline{ y}$ represent the mean amount of snow for those 4 years.Describe the sampling distribution model of this sample mean.
A)Binom(23,3)
B)N(23,1.5)
C)N(23,0.75)
D)N(23,3)
E)There is not enough information to describe the distribution.

Question

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The Answer of Statistics from a weather centre indicate that a certain city receives an average of 23 inches of snow each year,with a standard deviation of 3 inches.Assume that a Normal model applies.A student lives in this city for 4 years.Let $\overline{ y}$ represent the mean amount of snow for those 4 years.Describe the sampling distribution model of this sample mean.
A)Binom(23,3)
B)N(23,1.5)
C)N(23,0.75)
D)N(23,3)
E)There is not enough information to describe the distribution.

Statistics from a Weather Centre Indicate That a Certain City y‾\overline{ y}y​

Statistics from a Weather Centre Indicate That a Certain City $\overline{ y}$