Question

Technical data provided with a room dehumidifier explain that units tested from the production line consume a mean of 800 watts of power, with a standard deviation of 12 watts. The superintendent of a large office complex, upon evaluating 30 of the units recently purchased and finding their mean power consumption to be 805 watts, claims that her shipment does not meet company specifications. At the 0.05 level of significance, is the superintendent’s complaint justified?


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  • CreatedSeptember 08, 2015
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