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What are possible reasons for outliers & possible solutions

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A researcher is measuring production levels in several plants, with the total number of 172 subjects in 5 plants. There are 2 outliers in the very low production area 1 more in the highest area. What are possible reasons for outliers and possible solutions in data analysis?

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Your tutorial is 232 words gives you five possible outlier reasons and a reference.

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An outlier is an extreme value for a data point. It is typically defined as more than three standard deviations from the mean of the dataset. Possible reasons for outliers in production results may include:

Mistake: data coding or data collection or typo created a false value.

Poor directions: the person collecting the data collected the wrong ...

Solution provided by:
Carol Sargent, PhD
Education
  • BSc, University of Virginia
  • MSc, University of Virginia
  • PhD, Georgia State University
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