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AP EAMCET202523 May 2025Evening ShiftMathematicsStatisticsActual

Let x₁, x₂, , x₁₁ be the observations satisfying _ i=1 ¹¹ (x_i-4 )=22 and _ i=1 ¹¹ (x_i-4 )^2=154 . If the mean and variance of the observations are and , then the quadratic equation having the roots and is

Options

  1. A15 x^2-16 x+15=0
  2. B15 x^2-34 x+15=0
  3. Cx^2-16 x+60=0
  4. D12 x^2-25 x+20=0

Correct answer

B. 15 x^2-34 x+15=0

Step-by-step solution

NO SOLUTION

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