The following relative frequency ogive represents the graduation rate of all four-year universities in the United States.
Question:
(a) What is the class width?
(b) Approximately 10% of all four-year universities have a graduation rate below what level?
(c) What percent of all four-year universities have a graduation rate less than 59.9%?
(d) Five percent of all four-year universities have a graduation rate above what level?
Transcribed Image Text:
Graduation Rate of United States Universities 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 - 0.1 19.9 29.9 39.9 49.9 59.9 69.9 79.9 89.9 99.9 Graduation Rate Cumulative Relative Frequency
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a 5 The class width is the difference between successive class midpoints eg 249 199 ...View the full answer
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