For the following simple random sample of household incomes (thousands of dollars) from a large county, construct
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58.3 50.0 58.1 33.5 51.1 38.1 42.3 60.4 55.8 46.2 40.4 52.5 51.3 47.5 48.5 59.3 40.9 37.1 39.1 43.6 55.3 42.3 48.2 42.8 61.1 34.7 35.5 52.9 44.7 51.5
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