# Need a tutorial - 9187

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• Due on: Wed 25 Apr, 2012 (08:49pm)
• Asked on: Wed 25 Apr, 2012
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UniversityofPhoenixMaterial

Understanding Business Research Terms and Concepts: Part 3

Determine which level of measurement is used in the following examples.  Select from:

1. A.   Nominal
2. B.   Ordinal
3. C.   Interval
4. D.   Ratio.

 The Association of Accountants is conducting a survey to determine the ranking of the top 100 accounting firms in the world. __________ How many years did it take you to earn your college degree? __________ On a questionnaire which asks for gender, males are coded as 1 and females are coded as 2. ___________ Respondents are asked to rate a list of high-tech companies as excellent, good, fair, or poor in terms of their service delivery. ___________ Cereal brands are arranged in an ordered sequence in which an equal interval exists between each point. ___________ LeBron James wears the number 23 on his jersey. __________ The length of time it takes the winner of a marathon to cross the finish line._____ Students are asked to rank computer manufacturers.__________ The brand of charge card used by a customer._________ The pin number used to access your checking account._________

Which sampling method is most appropriate for the following examples? (Note: select from only these eight terms):

1. A.   simple random
2. B.   systematic
3. C.   stratified
4. D.   cluster
5. E.   convenience
6. F.    judgment
7. G.   quota
8. H.   snowball

 The unemployment rate is calculated each month by the U.S. Bureau of Labor Statistics. The survey consists of 50,000 households in about 2,000 counties and cities in all 50 states.__________ A researcher for Kraft Foods selects five states randomly, and then selects 10 supermarkets chains within each state to call for a phone survey as test markets for a new cookie. _________ A new product researcher would like to investigate the use of virtual teams. After conducting an interview with a manager, she asks for the names of other managers that use virtual teams. __________ A news reporter asks people on the street their opinion about the president’s new bill. _________ Jamie select Denver, Colorado; Chicago, Illinois; and San Diego, California as test markets for a new potato chip line base on her experience with these markets. _________ A researcher instructs field interviewers to interview customers of different cell phone companies in a nearby shopping mall so that they each interview 10 AT&T, 8 T Mobile, 6 Verizon, and 4 owners of other cell phone providers. _____ The Consumer Price Index represents a sampling of 90,000 items from 364 categories, chosen from 20,000 retail stores in 85 geographically distributed areas that are chosen to be as similar as possible. ________ A finance professor wants to know how many MBA students would be willing to take a course in international finance this summer. She surveys students in the class she is currently teaching. ________

Which hypothesis-testing procedure would you use in the following situations? Choose from the list below.  (Note: some answers may repeat or not be used at all).

1. A.   One Sample t-test
2. B.   Paired t-test
3. C.   Two Sample t-test
4. D.   ANOVA
5. E.   Chi-Square

 The mean time an American family lives in a particular single-family dwelling is 11.8 years. A sample of 100 families in the Sycamore, OK area shows the mean time living in a single family residence is 12.7 years. Can we conclude that the time people live in Sycamore is significantly more than the national average? _____ A researcher would like to know if there is a significant difference in the amount of money spent on clothing purchases between full-time working women, part-time working women, and women who are homemakers. _____ A restaurant owner would like to know if there is a difference in the average service time between two crews each serving 50 customers. _____ A drug manufacturing company conducted a survey of customers. The research question was as follows: Is there a significant relationship between packaging preference (size of the bottle purchased) and economic status? There were four packaging sizes: small, medium, large, and jumbo. Economic status was categorized as follows: lower, middle, and upper. _____ A company has 24 salespeople. The test must evaluate whether their product knowledge has improved or remained unchanged after a training program. _____ A survey of 50 customers of a computer company resulted in an average brand loyalty rating of 6.8 on a 7 point scale. Is this company’s rating significantly different from the industry average of 6.4? _____ The manager of an office supply store wanted to determine which color folders she should discontinue based on low sales volume. The colors stocked were black, blue, red, green, and purple. _____

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