The Population Mean Is Hypothesized to Be 200

question 32

Multiple Choice

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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