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For these data x−=3.46 and s = 1.348. The first observation x = 1.6 in the data set has z-score
which means that x = 1.60 is 1.38 standard deviations below the sample mean. The second observation x = 5.2 has z-score
which means that x = 5.2 is 1.291 standard deviations above the sample mean. Repeating the process for the remaining observations gives the full set of z-scores
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