Duration (in minutes) 4. The following data set is given. Determine whether it is reasonable to treat the following sample as though it comes from an approximately normal population. Include any charts or graphs you make in Excel here and justify your answer. 8.8 11.2 11.6 6.3 9.3 10.5 14.6 8.5 7.3 7.5 5.2 9.0 4.3 9.9 7.8 13.1 12.3 10.1