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Interquartile range (IQR)

The following data points represent the number of quesadillas each person at Toby's Tacos ate.
Sort the data from least to greatest.
  • 11
  • 22
  • 00
  • 14\dfrac14
  • 12\dfrac12
  • 00
  • 11
  • 22
  • 54\dfrac54
  • 12\dfrac12
  • 11
Find the interquartile range (IQR) of the data set.
  • Your answer should be
  • an integer, like 66
  • a simplified proper fraction, like 3/53/5
  • a simplified improper fraction, like 7/47/4
  • a mixed number, like 1 3/41\ 3/4
  • an exact decimal, like 0.750.75
  • a multiple of pi, like 12 pi12\ \text{pi} or 2/3 pi2/3\ \text{pi}
quesadillas