Suppose It Is Known That the Income Distribution in a Particular

question 123

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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