MACHINE LEARNING
MACHINE LEARNING AND APPLICATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Find the outliers in the given data set below. 27, 20, 1, 3, 30, 31, 33
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1, 3
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27, 33
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31, 33
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1, 33
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Explanation:
Detailed explanation-1: -The Z-value helps to identify the outliers. Z = (x-)/ where is the mean of the data and is the standard deviation of the data. The data with Z-values beyond 3 are considered as outliers.
Detailed explanation-2: -2, 3, 5, 5, 15 Which value appears to be an outlier? Why? An outlier is a value that is much larger or much smaller than the other values. 15 then appears to be an outlier since it is much larger than the other values.
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