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 summary. The frequency...

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 summary. The frequency distributions are based on real data from Appendix B.

Extracted text: Age (yr) of Best Actor When Oscar Was Won Frequency 20-29 28 30-39 36 40-49 15 50-59 60-69 70-79