The average of 6 observations is 45 5 If one new…

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The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is-

  1. A. 46
  2. B. 50
  3. C. 56
  4. D. 58

Answer: Option C

Here is complete explanation of The average of 6 observations is 45 5 If one new….

Solution(By ExamCraze Team)

New observation
= (47 × 7) - (45.5 × 6)
= 329 - 273
= 56

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