What does the interquartile range represent?
A
the lower 50 percent of the data

B
the higher 50 percent of the data

C
the middle 50 percent of the data

D
the middle data point

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Answer: C) middle 50 percent of the data

The interquartile range (IQR) spans from the first quartile Q1 to the third quartile Q3.

25% of the data is below Q1 and 75% of the data is below Q3. The gap between the two endpoints consists of 75-25 = 50 percent of the data, or half of the data.

Answer:

c

Explanation: