Frequency 0.4 035 0.3 0.25 0.2 0.15 0.1 0.05 18.5 30.5 42.5 54.5 66.5 78.5 Ages a Note that the graph above is actually a relative frequency histogram. Use the random sample data in the graph above to answer the following. You cannot use the formulas from the text/notes since you do not know the individual data values. Just think about the meaning of the term percentile. a. What is the percentile of 66.5 years old? Enter a whole number. b. Find the 30th percentile.

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