Exhibit 22-3 From a Population of Size 600, a Simple Random Sample

question 55

Multiple Choice

Exhibit 22-3
From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40.
-Refer to Exhibit 22-3. An estimate of the standard error of the mean is

• A)4.0
• B)5.0
• C)6.0
• D)7.0

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