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$Let x_{1}, x_{2}, \dots \dots x_{n} be n observations such that \sum_{i = 1}^{n} x_{i}^{2} = 300 and \sum_{i = 1}^{n} x_{i} = 60 . Then a possible$ $value of n among the following is.$

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Correct option is C

Given that ∑xi2=300 and ∑xi=60∑i=1n xi2n≥∑i=1n xin2⇒300n≥60n2n≥12∴ By options, the possible value of n is 15

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Let x1,x2,……xn be n observations such that ∑i=1n xi2=300 and ∑i=1n xi=60. Then a possible value of n among the following is.

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$Let x_{1}, x_{2}, \dots \dots x_{n} be n observations such that \sum_{i = 1}^{n} x_{i}^{2} = 300 and \sum_{i = 1}^{n} x_{i} = 60 . Then a possible$ $value of n among the following is.$