Listed below are amount of strontium-90 (in millibecquerels)insample rendomof baby teeth obtained from Pannsylvania resident bornafter 1976 (based on data from "An unexpected Rise in Strontiun-90 in U.S. Deciduous Teethin the 1990s", by Magnago, etal., Science ofthe Total Environment).Construct a frequency distribution with eight classes.Begin with the lower classlimit of 110, and use a class of 10. cite a reason why such data are important.