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Question 380008
JEE Mathematics · Hard

Statistics: JEE Main MCQ

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JEE MainHardQuestion 380008

Question

If the mean of 10 observations is 15 and each observation is increased by 5, the new mean is:
  1. A
    20
    Correct
  2. B
    15
  3. C
    75
  4. D
    10

Correct answer

20

Explanation

Adding 5 to each observation adds 5 to the mean: new mean = 15 + 5 = 20. The mean shifts by the same constant.

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