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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 specifica- tions. At the 0.05 level of significance, is the superintendent's complaint justified?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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