Suppose It Is Known That the Income Distribution in a Particular

question 17

Multiple Choice

Suppose it is known that the income distribution in a particular region is right-skewed and bi-modal.If bank economists are interested in estimating the mean income,which of the following is true?

• A)Provided that the sample size is sufficiently large,the sampling distribution for will be approximately normal with a mean equal to the population mean that they wish to estimate.
• B)The sampling distribution will also be right-skewed for large sample sizes.
• C)The standard deviation of the sampling distribution for will be proportionally larger than the population standard deviation,depending on the size of the sample.
• D)The sampling distribution will be left-skewed.

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