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The frequency distribution data is given below If the average age…

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The frequency distribution data is given below. If the average age is 17 years, the value of m is

  1. A. 1
  2. B. 2
  3. C. 3
  4. D. 4

Answer: Option A

Here is complete explanation of The frequency distribution data is given below If the average age….

Solution(By ExamCraze Team)

According to the question,
Age (in year):8202629 
No. of people:↓×3+↓×2+↓×m+↓×1 = 6 + m
Total:24+40+26m+29= 93 + 26m
Average = $$frac{93 + 26m}{6 + m}$$   = 17
⇒ 93 + 26m = 102 + 17m
⇒ 9m = 9
⇒ m = 1

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