The following table lists length of stay in hospital (days) for a sample of 25 patients.     5   10   6   11   5   14   30   11   17   3 9 3 8 8 5 5 7 4 3 7 9 11 11 9 4             a. Construct a frequency/relative frequency table for these data using 5-day class intervals.   Include columns for the frequency counts, relative frequencies, and cumulative frequencies. b. What percentage of hospital stays were less than 5 days? c. What percentage of hospital stays were less than 15 days? d. What percentage of hospital stays were at least 15 days in length?

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