Determining z test statistics and scores

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

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

Reference no: EM13106418

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Determining z test statistics and scores : What differentiates a z test statistic for a population from the z statistic for a sampling of means? Why is there a difference? Consider 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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