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Math · Statistics And Probability
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c) It is believed that the average salary of workers in the oil industry is $73,000. Ten workers were chosen at random and asked about their salary giving the following figures: $58,000 51,000 $69,500 $73,000 $89,000 $72,400 $ 60,000 $59,800 $70,500 $35,750 Test the following at both 5% and 1% significance levels and comment on your findings. Ho H $73,000 HA : $73,000 [15 marks]
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