4.21,5.55,3.02,5.13,4.77,2.34,3.54,3.20,4.50,6.10,.38,5.12,6.46,6.19,3.79,15.08
a. What descriptive summary measures would you use to present the data. which measure is the best to use and which is the worse and why?
b. What conclusion can you draw about the data.