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Statistics question

2022 · 26 Jun · Shift 1 · Q31
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  5. /2022 · 26 Jun · Shift 1 · Q31

Statistics question

2022 · 26 Jun · Shift 1 · Q31

JEE MainMathematicsStatisticsMCQ+4 / −1
The mean of the numbers a, b, 8, 5, 10 is 6 and their variance is 6.8. If M is the mean deviation of the numbers about the mean, then 25 M is equal to :
  1. A
    60
  2. B
    55
  3. C
    50
  4. D
    45
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