A Simple Random Sample of Size 81 Is Taken from a Population

question 4

Multiple Choice

A simple random sample of size 81 is taken from a population of size 800. The sample mean is determined to be 2,550 with a standard deviation of 500. An estimate of the standard error of the mean (for the total) is

• A) 62,500.50
• B) 42124.41
• C) 52.67
• D) 50,000.00

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