Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
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Q · Statistics Easy · 45s
Find the median of: 7, 9, 11, 13, 15, 19, 21.
TopicStatistics
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Ordered data has 7 values; median is 4th term = 13.
Final Answer: Option B - 13