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Statistics question

2024 · 4 Apr · Shift 1 · Q36
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  5. /2024 · 4 Apr · Shift 1 · Q36

Statistics question

2024 · 4 Apr · Shift 1 · Q36

JEE MainMathematicsStatisticsMCQ+4 / −1
Let α,β∈R\alpha, \beta \in \mathbf{R}α,β∈R. Let the mean and the variance of 6 observations −3,4,7,−6,α,β-3,4,7,-6, \alpha, \beta−3,4,7,−6,α,β be 2 and 23, respectively. The mean deviation about the mean of these 6 observations is :
  1. A
    163\frac{16}{3}316​
  2. B
    113\frac{11}{3}311​
  3. C
    143\frac{14}{3}314​
  4. D
    133\frac{13}{3}313​
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