Calculate the interquartile range of the ordered data: 3, 7, 12, 14, 17, 24, 26, 29.

Answer and explanation

Correct answer: A.

  1. Step 1: and .
  2. Step 2: .
Answer
.
Why not the others: : this is the range, not the interquartile range. : this is Q3 alone. : Q1 was added instead of subtracted.

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