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Statistics · UPSC CDS/OTA · Question 1 of 33

Statistics : Find the arithmetic mean of the data: 12, 15, 18, 20, 25, 30.

Step-by-step solution. Statistics for UPSC CDS/OTA.

Topic
Statistics
Subject
Mathematics
Difficulty
Easy
Solve Time
45-60 sec

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Q · Statistics Easy · 45s

Find the arithmetic mean of the data: 12, 15, 18, 20, 25, 30.

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.

Mean = Σx/n = 120/6 = 20.00.

Final Answer: Option D - 20.00
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Find the arithmetic mean of the data: 12, 15, 18, 20… - Statistics (Mathematics) Solved Question