The following data set represent the hemoglobin (in g/dL) for 20 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:
