Practice Exam 1 - Chapter 1 Practice Exam Intro to Business...

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1 BUS 260 Practice Exam Spring 2009 1. In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of the a. ordinal scale b. nominal scale c. ratio scale d. interval scale 2. The scale of measurement that is used to rank order the observation for a variable is called the a. ratio scale b. ordinal scale c. nominal scale d. interval scale 3. Data obtained from a nominal scale a. must be alphabetic b. can be either numeric or nonnumeric c. must be numeric d. must rank order the data 4. The entities on which data are collected are a. elements b. populations c. samples d. None of these alternatives is correct. 5. The summaries of data, which may be tabular, graphical, or numerical, are referred to as a. inferential statistics b. descriptive statistics c. statistical inference d. report generation 6. A frequency distribution is a. a tabular summary of a set of data showing the relative frequency b. a graphical form of representing data c. a tabular summary of a set of data showing the frequency of items in each of several nonoverlapping classes d. a graphical device for presenting qualitative data
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2 7. Fifteen percent of the students in a school of Business Administration are majoring in Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) which can be used to present these data is (are) a. a line graph b. only a bar graph c. only a pie chart d. both a bar graph and a pie chart 8. A graphical presentation of the relationship between two variables is a. an ogive b. a histogram c. either an ogive or a histogram, depending on the type of data d. a scatter diagram Exhibit 2-2 A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Undergraduate Major Graduate School Business Engineering Others Total Yes 70 84 126 280 No 182 208 130 520 Total 252 292 256 800 9. Refer to Exhibit 2-2. What percentage of the students does not plan to go to graduate school? a. 280 b. 520 c. 65 d. 32 10. Refer to Exhibit 2-2. What percentage of the students' undergraduate major is engineering? a. 292 b. 520 c. 65 d. 36.5 11. Refer to Exhibit 2-2. Of those students who are majoring in business, what percentage plans to go to graduate school? a. 27.78 b. 8.75 c. 70 d. 72.22
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3 12. Refer to Exhibit 2-2. Among the students who plan to go to graduate school, what percentage indicated "Other" majors? a. 15.75 b. 45 c. 54 d. 35 Exhibit 2-3 Michael's Rent-A-Car, a national car rental company, has kept a record of the number of cars they have rented for a period of 80 days. Their rental records are shown below: Number of Cars Rented Number of Days 0 - 19 5 20 - 39 15 40 - 59 30 60 - 79 20 80 - 99 _10_ Total 80 13. Refer to Exhibit 2-3. The class width of the above distribution is a. 0 to 100 b. 20 c. 80 d. 5 14. Refer to Exhibit 2-3. The lower limit of the first class is a. 5 b. 80 c. 0 d. 20 15. Refer to Exhibit 2-3. If one develops a cumulative frequency distribution for the above data, the last class will have a frequency of a. 10 b. 100 c. 0 to 100 d. 80 16. Refer to Exhibit 2-3. The percentage of days in which the company rented at least 40 cars is a. 37.5% b. 62.5% c. 90.0% d. 75.0%
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This note was uploaded on 04/04/2010 for the course ECON 210 taught by Professor Flynn during the Spring '10 term at University of North Carolina Wilmington.

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Practice Exam 1 - Chapter 1 Practice Exam Intro to Business...

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