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Statistics question

2021 · 31 Aug · Shift 2 · Q36
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Statistics question

2021 · 31 Aug · Shift 2 · Q36

JEE MainMathematicsStatisticsMCQ+4 / −1
The mean and variance of 7 observations are 8 and 16 respectively. If two observations are 6 and 8, then the variance of the remaining 5 observations is :
  1. A
    925{{92} \over 5}592​
  2. B
    1345{{134} \over 5}5134​
  3. C
    53625{{536} \over {25}}25536​
  4. D
    1125{{112} \over 5}5112​
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