4. The box and whisker plots compare the weekly salaries (in dollars) of a sample of 25-year-old high school graduates and university graduates. University Grads 200 400 600 800 1000 1200 1400 1600 1800 2000 High School Grads Estimate the measures indicated by these diagrams by completing the following table. Measure High School Grads University Grads Median $1150 Q1 $1050 Q3 = $700 IOR = $450 Maximum = $1150 Minimum = $400 Range = $1000