Question: Sample values that are several standard deviations away from the sample average are called outliers. They are often just measurement or transcription errors, but they

Sample values that are several standard deviations away from the sample average are called outliers. They are often just measurement or transcription errors, but they can bias a statistical calculation. Which of the following data are more than three sample standard deviations away from the average?

19.4, 18.1, 25.6, 18.2, 20.6, 25.0, 21.8, 15.5, 26.3, 15.8, 18.7, 19.3, 22.3, 20.9, 24.2, 21.4, 23.2, 21.4,

19.4, 18.1, 25.6, 18.2, 20.6, 25.0, 21.8, 15.5, 26.3, 15.8, 18.7, 19.3, 22.3, 20.9, 24.2, 21.4, 23.2, 21.4, 47.1, 23.6, 46.3, 21.2, 27.5, 20.8, 24.7, 25.9, 25.8, 33.4, 30.9, 24.5

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