The box plots show attendance at a school dance competition and school badminton games. Box plots titled Attendance at School Dance Competitions versus School Badminton Games with horizontal axis labeled Attendance ranges from 55 to 100. Badminton box plot with minimum approximately between 70 and 75 and maximum at 90 has interquartile ranges approximately 75 and 90 and median at 80. Dance Competetion box plot with minimum approximately between 65 and 70 and maximum approximately between 85 and 90 has interquartile ranges between 70 and 85 and median approximately at 75. Which of the following best describes how to measure the spread of the data?