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The interquartile range defines the difference between the third and the first quartile. Quartiles are the partitioned values that divide the whole series into 4 equal parts. So, there are 3 quartiles. First Quartile is denoted by Q1known as the lower quartile, the second Quartile is denoted...
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Q1= 2nd term + 0.25(3rd term-2nd term) Q1= 16+0.25(23-26) = 15.25 Similarly, Median, Q2= [(n+1)/2]th item Q2= 8+1/2 = 9/2 = 4.5 Q2= 4th term+0.5 (5th term-4th term) Q2= 26+0.5(26-26) = 26 And, Upper Quartile, Q3= [3(n+1)/4]th item ...
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