For the year 2010, 33% of taxpayers with adjusted gross incomes between $30.000 and $60,000 itemized deductions on their federal income tax retum. The mean amount of dedu was $16.642. Assume that the standard deviation is a $2.500. If required, round your answer to two decimal places. (a) What are the sampling errors of for itemized deductions for this population of taxpayers for each of the following sample sizes: 30, 50, 100, and 4007 R) 15642 6 30 50 100 400 95 43848 339.41 240 3 120 (b) what is the advantage of a larger samole size when attempting to estimate the population mean Alarger sample reduces 4 the standard error and resus in (n) more D precise estimate of the populacion mean

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