METHODS OF DATA ANALYSIS
MEASURES OF CENTRAL TENDENCY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What effect will the outlier have on the median of the data if the outlier is excluded? 4, 6, 3, 4, 3, 6, 24
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insufficient information to conclude
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increases
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decrease
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does not change
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Explanation:
Detailed explanation-1: -The effect of removing one outlier data point from the set No matter what value we add to the set, the mean, median, and mode will shift by that amount but the range and the IQR will remain the same.
Detailed explanation-2: -The median is less affected by outliers and skewed data than the mean and is usually the preferred measure of central tendency when the distribution is not symmetrical.
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