Princess Cruises recently offered a 16-day voyage from Beijing to Bangkok during the time period from May to August. The announced price, excluding airfare, for a room with an ocean view or a balcony was listed as $3,475. Cruise fares usually are quite variable due to discounting by the cruise line and travel agents. A sample of 20 passengers who purchased this cruise paid the following amounts (in dollars) : 
Determine the sampling error for this sample.
Definitions:
Probability Sampling
Type of sampling procedure in which one is able to specify the probability that any member of the populationwill be included in the sample.
Specific Population
A specific population refers to a defined group of individuals who share one or more characteristics for the purposes of research or study.
Precise Statements
Clearly defined and unambiguous declarations that convey specific information accurately.
Cluster Sampling
An approach to sampling in which the entire population is split into various segments, with a random selection of these segments being picked for examination.
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