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17) H eight (inches) Frequency 69.0 - 71.9 16 72.0 - 74.9 22 75.0 - 77.9 15 78.0 - 80.9 14 81.0 - 83.9 13 B) Cumulative Cumulative Frequency Height (inches) Frequency 89.0 - 18 Less than 72.0 16 72.0 - 38 Less than 75.0 38 75.0 - 53 Less than 78.0 53 78.0 - 87 Less than 81.0 87 81.0 - 80 Less than 84.0 80 C) D) Cumulative Cumulative Height(inches) Frequency Height (inches) Frequency Less than 72.0 38 Less than 72.0 0.200 Less than 75.0 53 Less than 75.0 0.275 Less than 78.0 87 Less than 78.0 0.188 Less than 81.0 80 Less than 81.0 0.175 Less than 84.0 93 Less than 84.0 0.163