H& R Block, a tax preparation company, believes that the median tax refund for 2014 was greater than $ 3,000. To test this belief, the following random sample of 2014 re-funds was collected. These data can also be found in the Excel file H& R Block.xlsx.

Using α = 0.05, perform a hypothesis test to determine if H& R Block€™s belief is supported by this sample.

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$2,278 $4,116 $228 $5,988 $3,966 $684 $3.398 5,366 $3.678 $4.784