The population mean is hypothesized to be 200.The sample mean (x-bar)is 220.The sample size (n)is 25.The sample standard deviation (s)is 15.The estimated value of the standard error of the mean is
A)2.6.
B)3.0.
C)1.6.
D)0.6.
E)0.9.

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The Answer of The population mean is hypothesized to be 200.The sample mean (x-bar)is 220.The sample size (n)is 25.The sample standard deviation (s)is 15.The estimated value of the standard error of the mean is
A)2.6.
B)3.0.
C)1.6.
D)0.6.
E)0.9.

The Population Mean Is Hypothesized to Be 200