Let n be an odd natural number such that the variance of 1, 2, 3, 4, ......, n is 14. Then n is equal to _____________.
Answer (integer)
13
Solution
${{{n^2} - 1} \over {12}} = 14 \Rightarrow n = 13$
About this question
Subject: Mathematics · Chapter: Statistics · Topic: Measures of Central Tendency
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