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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Find the interquartile range of the data:20, 22, 25, 29, 31
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30
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21
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25
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9
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Explanation:
Detailed explanation-1: -To find the interquartile range (IQR), we need to first find the first quartile (Q1) and the third quartile (Q3). 22 is the Q1. 30 is the Q3. Therefore, the interquartile range of the data is 8.
Detailed explanation-2: -Hence, the required answer is 21.
Detailed explanation-3: -Expert-Verified Answer The Inter-quartile range is 11.
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