Question: Identify the class width, class midpoints, and class boundaries for the given frequency distribution. The frequency distributions are based on real data from Appendix B.

Identify the class width, class midpoints, and class boundaries for the given frequency distribution. The frequency distributions are based on real data from Appendix B.

Verbal IQ Score of Subject Exposed to Lead 50-59 60-69 70-79 80-89 90-99 100-109 110-119 120-129 Frequency 4 10 25 43 26 3

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