Often, cruise ships conduct all on-board transactions, with theexception of gambling, on cashless basis. At the end of the cruise,guests pay one bill that covers all onboard transactions. Supposethat 60 single travelers and 65 couples were surveyed as to theiron-board bills for a seven-day cruise from Los Angeles to theMexican Riviera. Following is a summary of the bills for eachgroup.
Singles | Couples |
Amount($) | Frequency | Relative Frequency | Amount($) | Frequency | Relative Frequency |
51-100 | 5 | | 100-150 | 5 | |
101-150 | 10 | | 201-250 | 5 | |
151-200 | 15 | | 251-300 | 5 | |
201-250 | 15 | | 301-350 | 5 | |
251-300 | 10 | | 351-400 | 10 | |
301-350 | 5 | | 401-450 | 10 | |
| | | 451-500 | 10 | |
| | | 501-550 | 10 | |
| | | 551-600 | 5 | |
a. Fill in the relative frequency foreach group.
b. Construct a histogram for the singlesgroup. Scale the x-axis by $50 widths. Use relative frequency onthe y-axis.
c. Construct a histogram for the couplesgroup. Scale the x-axis by $50 widths. Use relative frequency onthe y-axis.
