A Sample Is Selected from a Population with a Mean

question 20

Multiple Choice

A sample is selected from a population with a mean of µ = 40.If the sample mean is M = 45,which of the following combinations would make the sample mean a good,representative value for the population?

• A)A small sample and a small population standard deviation
• B)A small sample and a large population standard deviation
• C)A large sample and a small population standard deviation
• D)A large sample and a large population standard deviation

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