Question: You may have heard or read that the normal body temperature (oral) is 98.6°F. The numbers that follow are temperature readings from healthy adults, aged 18-40. Arrange the data into a grouped frequency distribution, using 99.3-99.5 as the highest class interval and 96.3-96.5 as the lowest. (Based on Mackowiak, Wasserman, and Levine, 1992.)