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Interquartile range (IQR)

A family of bears is going to a movie. The following data points represent the ticket and candy price (in dollars) for each bear.
Sort the data from least to greatest.
  • 33
  • 1121 \dfrac12
  • 44
  • 00
  • 44
  • 77
  • 7127 \dfrac12
  • 2122 \dfrac12
  • 44
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}
dollars