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A data set has Q3 of 649,000 and Q1 of 308,750. Its interquartile range is:
A330,450
B340,250
C957,750
D304,250
Answer & Solution
Correct answer: B. 340,250
1. The interquartile range is Q3 minus Q1.
2. 649,000 minus 308,750 leaves 340,250.
3. The interquartile range is 340,250.
_Source: OpenStax Introductory Statistics 2e, Chapter 2, Descriptive Statistics._
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