STATISTICAL TECHNIQUES AND TOOLS
MEASURES OF VARIABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Median
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Mode
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Upper Quartile
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Lower Quartile
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Detailed explanation-1: -The lower quartile, or first quartile (Q1), is the value under which 25% of data points are found when they are arranged in increasing order. The upper quartile, or third quartile (Q3), is the value under which 75% of data points are found when arranged in increasing order.
Detailed explanation-2: -Quartiles in Statistics First quartile: 25% from smallest to largest of numbers. Second quartile: between 25.1% and 50% (till median) Third quartile: 51% to 75% (above the median) Fourth quartile: 25% of largest numbers.
Detailed explanation-3: -Quartiles mark each 25% of a set of data: The first quartile Q1 is the 25th percentile. The second quartile Q2 is the 50th percentile. The third quartile Q3 is the 75th percentile.