Differentiates a z test statistic for the population


(a) What differentiates a z test statistic for the population from the z statistic for the sampling of means? Why the difference?

(b) Suggest a normal population with? = 43 and? = 5.2. Calculate the z-score for an x ? of 46.5 from a sample of size 16.

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Basic Statistics: Differentiates a z test statistic for the population
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