Counts of adult females are normally distributed


The claim is that the white blood cell counts of adult females are normally distributed, with a standard deviation equal to 3.06.

A random sample of 42 adult females has white blood cell counts with a mean of 7.54 and a standard deviation of 3.33.

Find the value of the test statistic.

The test statistic is_____

(Round to three decimal places as needed.)

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Basic Statistics: Counts of adult females are normally distributed
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