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Mathematics, 19.11.2019 06:31 braedenmoses7
E. canis infection is a tick-borne disease of dogs that can also be contracted by humans. among infected humans, the distribution of white blood cell counts has an unknown mean and standard de- 3 that persons infected with e. canis must on average have lower white blood cell counts. for a sample of 30 infected persons, the mean white blood cell count is 4767 /mm3 and the standard deviation is 3 viation. in the general population, the mean white blood cell count is 7250 cells/mm . it is believed s = 3204 /mm . conduct a hypothesis test at the 1% level.
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