Question: step by step on how to find each standard deviation please. Round each z-score to the nearest hundredth. A data set has a mean of)?

step by step on how to find each standard deviation please.

Round each z-score to the nearest hundredth. A data set has a mean of)? = 7.1 and a standard deviation of 2.4. Find the z-score for each of the following. (a) x = 6.2 (b) x = 7.2 (c) X = 9.0 (d) X = 5.0

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