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The claim is that the white blood cell counts of adult females are are normally distributed, with a standard deviation equal to 2.47. A random

The claim is that the white blood cell counts of adult females are are normally distributed, with a standard deviation equal to 2.47. A random sample of 39 adult females has white blood cell counts with a mean of 7.42 and a standard deviation of 3.64. Find the value of the test statistic.

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