The following data set represent the hemoglobin (in g/dL) for 19 randomly selected cats. Determine the interquartile range representing the spread of the middle 50 % of the data. 5.7 , 6.7 , 7.8 , 8.7 , 7.9 , 8.4 , 8.5 , 8.6 , 9.6 , 9.6 , 9.0 , 11.0 , 10.2 , 10.2 , 10.5 , 11.2 , 11.7 , 12.3 , 13.2 Provide your answer below