Question
Download Solution PDFThe mean of the first 10 even natural numbers is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept use:
Mean = Sum of the observation/ Total No of Observation
Sum of First n terms is n(n + 1)/2
Calculations:
First Ten Even numbers are 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Mean = 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20/ 10
2(1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10)/10 = 2 × 10(10 + 1)/(2 × 10) = 11
Hence, The Correct Answer is 11.
Last updated on Jan 29, 2025
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