Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
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Q · Statistics Moderate · 45s
Using the previous and Tukey method, find the interquartile range (IQR) for 10–33 data.
TopicStatistics
Question Typemultiple choice
DifficultyModerate
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Q₃=(27+30)/2=28.5; IQR=Q₃−Q₁=15.0.
Final Answer: Option D - 15.0