METHODS OF DATA ANALYSIS
MEASURES OF DISPERSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The data set below has an outlier of 42.2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42What effect does removing the outlier have on the distribution of the data?
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The mean will decrease
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The median will decrease
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The mean will increase
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The median will increase
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Explanation:
Detailed explanation-1: -Outliers are extreme values that differ from most other data points in a dataset. They can have a big impact on your statistical analyses and skew the results of any hypothesis tests.
Detailed explanation-2: -Sort your data. An easy way to identify outliers is to sort your data, which allows you to see any unusual data points within your information. Graph your data. Calculate the z-score. Calculate the interquartile range. Use a hypothesis test. 27-Feb-2023
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