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Statistics question

2025 · 3 Apr · Shift 2 · Q37
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Statistics question

2025 · 3 Apr · Shift 2 · Q37

JEE MainMathematicsStatisticsMCQ+4 / −1
Let the Mean and Variance of five observations x1=1,x2=3,x3=a,x4=7x_1=1, x_2=3, x_3=a, x_4=7x1​=1,x2​=3,x3​=a,x4​=7 and x5=b,a>bx_5=\mathrm{b}, a\gt \mathrm{b}x5​=b,a>b, be 5 and 10 respectively. Then the Variance of the observations n+xn,n=1,2,…,5n+x_n, n=1,2, \ldots, 5n+xn​,n=1,2,…,5 is
  1. A
    17
  2. B
    16
  3. C
    16.4
  4. D
    17.4
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