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Example 1.16 from Statistics, 1.3 Frequency, Frequency Tables, and Levels of Measurement
From Table 1.15, find the percentage of heights that fall between 61.95 and 65.95 inches.
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
Add the relative frequencies in the second and third rows: .03 + .15 = .18 or 18 percent.
How did it go?