For a given population,the mean of all the sample means ,of sample size n,and the mean of all (N)population observations (X)are ________.
A)equal to
B)not equal
C)equal to - μ
D)equal to the population mean µ

Question

For a given population,the mean of all the sample means  ,of sample size n,and the mean of all (N)population observations (X)are ________.
A)equal to 
B)not equal 
C)equal to - μ 
D)equal to the population mean µ

Quizplus · Accepted Answer

The mean of all the sample means (i.e., the sampling distribution of the sample mean) is equal to the population mean μ. Therefore, the mean of all population observations (X) is also equal to μ.

For a Given Population,the Mean of All the Sample Means