Question: According to the Internal Revenue Service, the average deduction for charitable contributions in the most recent tax year reported was $4388. Curious to see how

According to the Internal Revenue Service, the average deduction for charitable contributions in the most recent tax year reported was $4388. Curious to see how his legislative district compares, a state senator surveys a simple random sample of 200 taxpayers from the district, with the data as shown in file XR09110. Using the data in this file, construct and interpret the 90% confidence interval for the population mean charitable-gifts contribution for taxpayers from the district. Is $4388 within the confidence interval? Given the answer to the preceding question, comment on whether the district’s taxpayers might not be typical of those in the nation as a whole in terms of their tax-deductible charitable contributions.
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