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Statistics question

2021 · 27 Jul · Shift 1 · Q23
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  5. /2021 · 27 Jul · Shift 1 · Q23

Statistics question

2021 · 27 Jul · Shift 1 · Q23

JEE MainMathematicsStatisticsMCQ+4 / −1
If the mean and variance of the following data : 6, 10, 7, 13, a, 12, b, 12 are 9 and 374{{37} \over 4}437​ respectively, then (a −-− b)2 is equal to :
  1. A
    24
  2. B
    12
  3. C
    32
  4. D
    16
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