COMPUTER SCIENCE AND ENGINEERING
MACHINE LEARNING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The median will be 20
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The mode will increase
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The mean will increase
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The mean will decrease
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Detailed explanation-1: -What does the term ‘outlier’ mean? a) A score that is left out of the analysis because of missing data.
Detailed explanation-2: -In simple terms, an outlier is an extremely high or extremely low data point relative to the nearest data point and the rest of the neighboring co-existing values in a data graph or dataset you’re working with. Outliers are extreme values that stand out greatly from the overall pattern of values in a dataset or graph.
Detailed explanation-3: -An “outlier” or “extreme value” in a data set is a data point whose value is either much smaller or much larger than the majority of the data set.
Detailed explanation-4: -Removing the outlier decreases the number of data by one and therefore you must decrease the divisor. For instance, when you find the mean of 0, 10, 10, 12, 12, you must divide the sum by 5, but when you remove the outlier of 0, you must then divide by 4.