The table below shows data from a survey about the amount of time students spend doing homework each week. the students were either in college or in high school: high low q1 q3 iqr median mean σ college 50 6 8.5 17 8.5 12 15.4 11.7 high school 28 3 4.5 15 10.5 11 10.5 5.8 which of the choices below best describes how to measure the spread of this data? (hint: use the minimum and maximum values to check for outliers.)