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Author Question: Princess Cruises recently offered a 16-day voyage from Beijing to Bangkok during the time period ... (Read 83 times)

iveyjurea

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on: Jun 24, 2018
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):3,559 3,005 3,389 3,505 3,605 3,545 3,529 3,709 3,229 3,4193,439 3,375 3,349 3,559 3,419 3,569 3,559 3,575 3,449 3,119Calculate the sample mean cruise fare.A) 3715.24
  B) 3445.30
  C) 4581.81
  D) 6314.24

Question 2

Explain why a relative frequency histogram is sometimes preferable to a regular frequency histogram.
 
  What will be an ideal response?


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Kedrick2014

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

Relative frequencies are used when we are interested in comparing two or more distributions when the number of data values in the distributions differs. For instance, suppose we have two frequency distributions on salaries, one for college graduates and one for non-college graduates. There are 100 college graduates in the data set and 1,000 non-college graduates. In each distribution, the first class limits are 0 through 15,000. If there are 5 college graduates in the first class and 50 non-college graduates in the first class, it may appear that non-college graduates are much more heavily represented in the low salary bracket. However, if we convert these to relative frequencies, it turns out that the relative frequency is 0.05 for both groups.


iveyjurea

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

Missbam101

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Reply 3 on: Yesterday
Excellent

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