Question

A county with a large population need to know what the average income is for tax purposes. A simple random sample of 1000 household reveals the following information. The average household income for the sample is $21,000. The median income of the sample is $17,000. The SD of the sample is $10,000, Q1 = $11,000 and Q3 = $24,000.

ConfIntervalAns

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B

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D

Answer 1

[AI-generated answer — Bot GPT 3.5]

The information provided does not allow us to determine the correct answer for the confidence interval. The confidence interval formula requires the sample size, standard deviation, and the desired level of confidence.