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Questions › Statistics › Descriptive statistics and dispersion

Descriptive statistics and dispersion: previous year questions

Asked 1 times in 1 exam across 1 year. Newest first.

Practise Descriptive statistics and dispersion, easy to hard →

  1. IIT JAM 2021 Q3Let {x₁, x₂, ⋯, xₙ} be a sample with mean x̄, and let k be a real number other than x̄. Define S₁ = Σᵢ₌₁ⁿ (xᵢ - x̄)² and S₂ = Σᵢ₌₁ⁿ (xᵢ - k)². Then,