medium · SAT Math
A box plot summarizes the number of minutes 40 customers spent in a coffee shop during their visit. The five-number summary is: Minimum = 12 minutes Q1 (first quartile) = 18 minutes Median = 25 minutes Q3 (third quartile) = 34 minutes Maximum = 50 minutes What is the interquartile range (IQR) of this data set?
- 9 minutes
- 38 minutes
- 25 minutes
- 16 minutes
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