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Statistics question

2021 · 20 Jul · Shift 1 · Q23
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Statistics question

2021 · 20 Jul · Shift 1 · Q23

JEE MainMathematicsStatisticsMCQ+4 / −1
The mean of 6 distinct observations is 6.5 and their variance is 10.25. If 4 out of 6 observations are 2, 4, 5 and 7, then the remaining two observations are :
  1. A
    10, 11
  2. B
    3, 18
  3. C
    8, 13
  4. D
    1, 20
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