Let x_1, x_2,.....x_n be n observations such that \sumx_i^2=400 and \sumx_i=80 . Then a possible value of n among the following is

AP and TS EAMCET Engineering Model Paper 14

Question : 52 of 159

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Let x1,x2,.....xn be n observations such that ∑xi2=400 and ∑xi=80. Then a possible value of n among the following is

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