Questions from Business Statistics

Q: A particular automobile costs an average of $21,755 in

A particular automobile costs an average of $21,755 in the Pacific Northwest. The standard deviation of prices is $650. Suppose a random sample of 40 dealerships in Washington and Oregon is taken and...

Q: A company has 1250 employees, and you want to take a

A company has 1250 employees, and you want to take a simple random sample of n = 60 employees. Explain how you would go about selecting this sample by using the table of random numbers. Are there numb...

Q: Suppose the average client charge per hour for out-of-

Suppose the average client charge per hour for out-of-court work by lawyers in the state of Iowa is $125. Suppose further that a random telephone sample of 32 lawyers in Iowa is taken and that the sam...

Q: A survey of 2645 consumers by DDB Needham Worldwide of Chicago for

A survey of 2645 consumers by DDB Needham Worldwide of Chicago for public relations agency Porter/Novelli showed that how a company handles a crisis when at fault is one of the top influences in consu...

Q: Suppose you are sending out questionnaires to a randomly selected sample of

Suppose you are sending out questionnaires to a randomly selected sample of 100 managers. The frame for this study is the membership list of the American Managers Association. The questionnaire contai...

Q: A business analyst is conducting a study of a Fortune 500 company

A business analyst is conducting a study of a Fortune 500 company that has factories, distribution centers, and retail outlets across the country. How can she use cluster or area sampling to take a ra...

Q: For each of the following research projects, list three variables for

For each of the following research projects, list three variables for stratification of the sample. a) A nationwide study of motels and hotels is being conducted. An attempt will be made to determine...

Q: According to Cerulli Associates of Boston, 30% of all CPA

According to Cerulli Associates of Boston, 30% of all CPA financial advisors have an average client size between $500,000 and $1 million. Thirty-four percent have an average client size between $1 mil...

Q: A directory of personal computer retail outlets in the United States contains

A directory of personal computer retail outlets in the United States contains 12,080 alphabetized entries. Explain how systematic sampling could be used to select a sample of 300 outlets.

Q: In an effort to cut costs and improve profits, many U

In an effort to cut costs and improve profits, many U.S. companies have been turning to outsourcing. In fact, according to Purchasing magazine, 54% of companies surveyed outsourced some part of their...