In an article regarding children who were raised by their grandparents, a researcher considered the rates of children (under 18 years of age) living in California with grandparents as their primary caretakers. The data set below includes a simple random sample of 12 percentages (rounded to the nearest tenth) from California counties of children under 18 living with grandparents. Identify the potential outlier(s), if any. 5.8 , 4.3 , 4.0 , 5.7 , 5.6 , 5.1 , 6.1 , 4.1 , 4.5 , 4.4 , 6.4 , 4.9