Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
Solve it the standard way once - then learn the shortcut.
Q · Statistics Moderate · 45s
For a series with mean 62 and standard deviation 8.5, find the coefficient of variation.
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.
CV = (σ/x̄)×100 = (8.5/62)×100 = 13.71%.
Final Answer: Option B - 13.71%