Often, cruise ships conduct all on-board transactions, with the exception of gambling, on a cashless basis. At the end of the cruise, guests pay one bill that covers all on-board transactions. Suppose that 60 single travelers and 70 couples were surveyed as to their on-board bills for a seven-day cruise from Los Angeles to the Mexican Riviera. Below is a summary of the bills for each group.
Construct a histogram for the Singles group.
Construct a histogram for the Couples group.
Compare the two graphs.
Based on the graphs, do you think that individuals spend the same amount, more or less, as singles as they do person by person in a couple? Explain why in one or two complete sentences.
Table 9: Singles

Amount($)

Frequency

51-100

5

101-150

10

151-200

15

201-250

15

251-300

10

301-350

5



Table 10: Couples

Amount($)

Frequency

100-150

5

201-250

5

251-300

5

301-350

5

351-400

10

401-450

10

451-500

10

501-550

10

551-600

5

601-650

5