In Exercises 5-8, identify the class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the sum- mary. The frequency distributions are based on real data from Appendix B. 5. 6. Age (yr) of Best Actress Frequency Age (yr) of Best Actor Frequency When Oscar Was Won When Oscar Was Won 20-29 31 20-29 1 30-39 34 30-39 29 40-49 15 40-49 38 50-59 3 50-59 16 60-69 6 60-69 6 70-79 1 70-79 1 80-89 1 7. 8. Blood Platelet Count Frequency Blood Platelet Count Frequency of Males of Females 0-99 1 100-199 25 100-199 51 200-299 92 200-299 90 300-399 28 300-399 10 400-499 0 400-499 0 500-599 2 500-599 600-699