# Age (yr) of Best ActorWhen Oscar Was WonFrequency20-292830-393640-491550-5960-6970-79

Question
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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.

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Step 1

Class width:

The class width is the distance between two successive lower limits of class intervals.

The formula for class width is as follows:

Step 2

Class midpoints:

The midpoints of the classes are termed as class midpoints. Each class midpoint is the average of the upper and the lower limits of a class interval.

The formula for midpoint is,

Step 3

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