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Question 380007
JEE Mathematics · Medium

Statistics: Range and quartiles MCQ

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Range and quartilesMediumQuestion 380007

Question

The interquartile range (IQR) is:
  1. A
    Q₃ − Q₁
    Correct
  2. B
    Q₂ − Q₁
  3. C
    Q₄ − Q₁
  4. D
    Q₃ − Q₂

Correct answer

Q₃ − Q₁

Explanation

IQR = Q₃ − Q₁, where Q₁ = 25th percentile and Q₃ = 75th percentile. It measures the spread of the middle 50% of data.

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