The strategy when figuring out the IQR and the 5-number summary for the data include arrangement from lowest to highest.
<h3>What is 5-number summary?</h3>
This is used to summarize distribution of data obtained or given in a sample and they include:
- First quartile(Q1) value
- Median
- Third quartile(Q3) value
- Minimum
- Maximum.
Proper arrangement of the data ensures accuracy in the results/values thereby making the most appropriate choice.
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No, because marathon runners are not a representative sample of all adults in the United States.