Average deduction for the population

Reference no: EM13995505

A random sample of 40 taxpayers with adjusted gross incomes of between $100,000 and $200,000 was drawn. These taxpayers claimed an average of 9,922 in medical expenses for the year. Assume the population standard deviation for these deductions was $2,400. Construct confidence intervals to estimate the average deduction for the population with the following levels of significance.

A) 2%

B) 5%

C) 10%

Reference no: EM13995505

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