Solved UPSC CDS/OTA Question
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Q · Statistics Difficult · 45s
Find the median of grouped data (class 0–10,10–20,20–30,30–40,40–50) with frequencies 5,9,12,7,3.
TopicStatistics
Question Typemultiple choice
DifficultyDifficult
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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N=36, N/2=18.0; median class=20–30; Median = 23.33.
Final Answer: Option D — 23.33