Let x₁, x₂,...........,x n be n observations such that Σ x i ² = 400 and Σ x i = 80. Then a possible value of n among the following is

Statistics and Probability: JEE Main 2005 Mathematics question

JEE Main 2005 · Annual, Paper 1 · Q5422

JEE Main 2005Annual, Paper 1MathematicsEasyStatistics and Probability258× since 2002

Let x₁, x₂,...........,x_n be n observations such that

\sum {x_i^2} = 400

and

\sum {{x_i}} = 80

. Then a possible value of n among the following is

JEE Main 2005 · Annual, Paper 1 · Q5422

JEE Main 2005Annual, Paper 1MathematicsEasyStatistics and Probability258× since 2002

Let x₁, x₂,...........,x_n be n observations such that

\sum {x_i^2} = 400

and

\sum {{x_i}} = 80

. Then a possible value of n among the following is