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KCET2025MathematicsStatistics

The mean deviation about the mean for the date 4,7,8,9,10,12,13,17 is

Options

  1. A10
  2. B3
  3. C8.5
  4. D4.03

Correct answer

B. 3

Step-by-step solution

Mean derivation about mean = 4+7+8+9+10+12+13+17 8 aligned & 1 ~N ( xi - ) = 80 8 =10 & = 1 8 (6+3+2+1+2+3+7) = 24 8 =3 aligned

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