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Test Bank for Business Statistics, 4th Edition

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    1-1 Chapter 1: Data and Decisions– Quiz A Name_________________________ 1.4 Data Sources: Where, How, and When 1. Viamedia, the cable industry's leading independent cable rep firm and provider of online advertising services, sponsored an online survey in June, 2013 to understand television viewing habits. The survey was given to 2,029 American adults age 18 and older, of whom 1,958 watch television programming. Of interest was how Americans watched television –72% watch cable TV while 33% watch on a device (tablet, smartphone, computer). Describe the W’s for the information given.  Who:  What:  When:  Where:  How:  Why: 1.3 Variable Types. 2. The following tables display some of the demographic data collected in a recent (2012) Nielsen Global Survey analyzing Asian American purchasing behaviors and television viewing patterns. List the variables in the data set. Indicate whether each variable is categorical or quantitative. If the variable is quantitative, give the units. Income Ranges % Total U.S. Households % Asian- American Households Age Distribution % Total U.S. Households % Asian- American Households < $25,000 24% 20% 0–9 13% 12% $25,000– $34,999 11% 8% 10–17 11% 10% $35,000– $49,999 16% 13% 18–24 10% 10% $50,000– $74,999 20% 18% 25–34 13% 16% $75,000– $99,999 12% 14% 45–54 14% 14% $100,000+ 18% 29% 55–74 20% 14% 75+ 6% 04% Composition of Asian-Americans % Composition Asian-Indian 19% Vietnamese 11% Chinese 23% Korean 10% Filipino 17% Japanese 5% Other Asian 15%

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    1-2 Chapter 1 Data and Decisions 1.3 Variable Types. 3. In addition to the variables listed above, data were also collected on the variables listed below. Indicate whether each is nominal or ordinal.  Region of U.S. (NE, NW, MW, SW, SE)  Education (Less than High School, High School, Some College, College +)  Marital Status (Single, Widowed, Divorced, Married) 1.3 Variable Types. 4. For each of the following, indicate whether the data are cross-sectional or time series:  Monthly spending on household goods  Change in population for 5 consecutive years  Percentage of adults who bank online  Composition of types of Asian American families in the most populated U.S. cities.  Monthly demand for a technology item  Percentage of adults who purchase goods online

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    Quiz A 1-3 Chapter 1: Data and Decisions – Quiz A – Key 1. Viamedia, the cable industry's leading independent cable rep firm and provider of online advertising services, sponsored an online survey in June, 2013 to understand television viewing habits. The survey was given to 2,029 American adults age 18 and older, of whom 1,958 watch television programming. Of interest was how Americans watched television –72% watch cable TV while 33% watch on a device (tablet, smartphone, computer). Describe the W’s for the information given.  Who: American adults aged 18 and older  What: Television viewing  When: June 2013  Where: United States  How: Online survey  Why: to analyze how Americans watch television

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    1-4 Chapter 1 Data and Decisions 2. The following tables display some of the demographic data collected in a recent (2012) Nielsen Global Survey analyzing Asian American purchasing behaviors and television viewing patterns. List the variables in the data set. Indicate whether each variable is categorical or quantitative. If the variable is quantitative, give the units. Household Income Ranges % Total U.S. Households % Asian- American Households Age Distribution % Total U.S. Households % Asian- American Households < $25,000 24% 20% 0–9 13% 12% $25,000– $34,999 11% 8% 10–17 11% 10% $35,000– $49,999 16% 13% 18–24 10% 10% $50,000– $74,999 20% 18% 25–34 13% 16% $75,000– $99,999 12% 14% 45–54 14% 14% $100,000+ 18% 29% 55–74 20% 14% 75+ 6% 04% Types of Expenditure Asian-Americans Total U.S. Market Housing $20,800 $16,900 Transportation $10,100 $9,000 Food $8,000 $6,600 Personal Insurance and Food $7,800 $5,600 Apparel $2,400 $1,700 Categorical: Household Income Ranges, Age Distribution, Types of Expenditure Quantitative: % Total Household, % Asian-American Households, % Age Distribution- Total U.S. and Asian-American, Expenditures of Asian-Americans ($), Expenditures of Total U.S. Market ($)

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    Quiz A 1-5 3. In addition to the variables listed above, data were also collected on the variables listed below. Indicate whether each is nominal or ordinal.  Region (NE, NW, MW, SW, SE) Nominal  Education (Less than High School, High School, Some College, College +) Ordinal  Marital Status (Single, Widowed, Divorced, Married) Nominal 4. For each of the following, indicate whether the data are cross-sectional or time series:  Monthly spending on household goods Time Series  Change in population for 5 consecutive years Time Series  Composition of types of Asian American families in the most populated U.S. cities. Cross-Sectional  Monthly demand for a technology item Time Series  Percentage of adults who purchase goods online Cross-Sectional

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    1-6 Chapter 1 Data and Decisions Chapter 1: Data and Decisions – Quiz B Name_________________________ 1.4 Data Sources: Where, How, and When. 1. Consumer Reports Health routinely compares drugs in terms of effectiveness and safety. In summer 2008 they reviewed drugs used to treat arthritis. Information was reported on convenience of use (how many pills required each day), possible side effects (e.g., dizziness, stomach upset), cost, and ratings of effectiveness in relieving symptoms (very effective, somewhat effective, not effective). Describe the W’s for the information given.  Who:  What:  When:  Where:  How:  Why: 1.3 Variable Types. 2. List the variables reported in the Consumer Reports Health article on drugs used to treat arthritis. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal. 1.3 Variable Types. 3. The Human Resources Department of a large corporation maintains records on its employees. The table displays some of these data. List the variables in the data set. Indicate whether each variable is categorical or quantitative. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal. Age Employment Category Education Participates in Wellness Program? Paycheck Benefit Deductions 32 Clerical High School Yes $250 52 Professional College No $120 60 Professional Junior College Yes $0 28 Clerical High School No $120 1.3 Variable Types. 4. For each of the following, indicate whether the data are cross-sectional or time series:  Company quarterly profits  Percentage of American adults who work full time  Historical closing stock prices

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    Quiz B 1-7 Chapter 1: Data and Decisions – Quiz B – Key 1. Consumer Reports Health routinely compares drugs in terms of effectiveness and safety. In summer 2008 they reviewed drugs used to treat arthritis. Information was reported on convenience of use (how many pills required each day), possible side effects (e.g., dizziness, stomach upset), cost, and ratings of effectiveness in relieving symptoms (very effective, somewhat effective, not effective). Describe the W’s for the information given.  Who: drugs to treat arthritis currently on the market  What: convenience of use, side effects, cost, effectiveness ratings  When: summer 2008  Where: not specified, probably United States  How: testing on drugs  Why: information for potential consumers/patients 2. List the variables reported in the Consumer Reports Health article on drugs used to treat arthritis. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal. Categorical: Side effect (nominal), effectiveness rating (ordinal) Quantitative: Convenience of use (number of pills), Cost ($) 3. The Human Resources Department of a large corporation maintains records on its employees. The table displays some of these data. List the variables in the data set. Indicate whether each variable is categorical or quantitative. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal.

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    1-8 Chapter 1 Data and Decisions Age Employment Category Education Participates in Wellness Program? Paycheck Benefit Deductions 32 Clerical High School Yes $250 52 Professional College No $120 60 Professional Junior College Yes $0 28 Clerical High School No $120 Categorical: Employment Category (nominal), Education (ordinal), Participation in Wellness Program? (nominal) Quantitative: Age (years), Paycheck Benefit Deductions ($) 4. For each of the following, indicate whether the data are cross-sectional or time series:  Company quarterly profits Time Series  Percentage of American adults who work full time Cross-Sectional  Historical closing stock prices Time Series

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    Quiz C 1-9 Chapter 1: Data and Decisions – Quiz C Name_________________________ 1.4 Data Sources: Where, How, and When. 1. Consumer Reports National Research Center routinely compares products and services. A poll of more than 1,800 U.S. residents was conducted shortly after the 2008 holiday season. What they found was that fewer people than in the previous year tipped their service providers (newspaper carrier, barber, mail carrier, hairdresser, garbage collector) or the amount that consumers tip for specific services was reduced.. Information was reported on the type of service, whether a tip or gift was given, and the median total value of the tip. Describe the W’s for the information given.  Who:  What:  When:  Where:  How:  Why: 1.3 Variable Types. 2. List the variables reported in the Consumer Reports Magazine article on tipping. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal. 1.3 Variable Types. 3. Businesses in a U.S. city were surveyed about information to provide to prospective employees after graduating from business school. The table displays some of these data. List the variables in the data set. Indicate whether each variable is categorical or quantitative. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal. Employment Category Require an MBA Degree? Prefer Graduates with Work Experience? Median Salary of New Graduates Sales No No $35,000 Management Yes Yes $47,000 Accounting No Yes $52,000 Advertising No No $45,000 1.3 Variable Types. 4. For each of the following, indicate whether the data are cross-sectional or time series:  Dow Jones Index  Eating habits by age group  Attitudes toward abortion over past 10 years  Voting behavior data for a particular neighborhood

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    1-10 Chapter 1 Data and Decisions Chapter 1: Data and Decisions – Quiz C – Key 1. Consumer Reports National Research Center routinely compares products and services. A poll of more than 1,800 U.S. residents was conducted shortly after the 2008 holiday season. What they found was that fewer people tipped their service providers (newspaper carrier, barber, mail carrier, hairdresser, garbage collector) than in the previous year or the amount that consumers tip for specific services was reduced. Information was reported on the type of service, whether a tip or gift was given, the level of tipping, and the median total value of the tip. Describe the W’s for the information given.  Who: U.S. residents, most likely adults although not specified  What: Amount of tipping and type of tipping for service providers during the holiday season for this year and the previous year  When: shortly after the holiday season 2008  Where: United States  How: A poll – not specified what type  Why: investigate consumer behavior in tipping service providers 2. List the variables reported in the Consumer Reports Magazine article on tipping. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal. Categorical: Whether or not someone tipped this year and/or previous year (nominal), type of tipping–gift or money (nominal), service provider who was tipped (nominal), level of tipping–low, medium, high (ordinal) Quantitative: Median value of tip ($),

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    Quiz C 1-11 3. Businesses in a U.S. city were surveyed about information to provide to prospective employees after graduating from business school. The table displays some of these data. List the variables in the data set. Indicate whether each variable is categorical or quantitative. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal. Employment Category Require an MBA Degree? Level of Work Experience Preferred? Median Salary of New Graduates Sales No None $35,000 Management Yes Extensive $47,000 Accounting No Moderate $52,000 Advertising No None $45,000 Categorical: Employment Category (nominal), Require an MBA Degree? (nominal), Level of Work Experience Preferred? (ordinal) Quantitative: Median Salary of New Graduates ($) 4. For each of the following, indicate whether the data are cross-sectional or time series:  Dow Jones Index Time Series  Eating habits by age group Cross-Sectional  Attitudes toward abortion over past 10 years Time Series  Voting behavior data for a particular neighborhood Cross-Sectional

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    1-12 Chapter 1 Data and Decisions Chapter 1: Data and Decisions – Quiz D – Multiple Choice Name________________________ 1.4 Data Sources: Where, How, and When. 1. In the fall of 2007, the Pew Internet & Life Project conducted telephone interviews with a sample of American adults aged 18 and older about online shopping. American adults aged 18 and older constitute the ______ of the study. A. Who B. What C. When D. Where E. How 1.3 Variable Types. 2. A few of the variables for which data were collected in the Pew Internet & Life Project study about online shopping include age, gender, income, and number of hours spent shopping online per month. Which of the variables is categorical? A. Age B. Gender C. Income D. Number of hours spent shopping online E. None 1.3 Variable Types. 3. The Pew Internet & Life Project study about online shopping asked respondents to indicate their education level on the following scale: Less than High School, High School, Some College, College +. Which of the following statements is (are) true? A. Education level is a categorical variable. B. Education level is nominal scaled. C. Education level is ordinal scaled. D. Both A and B E. Both A and C

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    Quiz D 1-13 1.4 Data Sources: Where, How, and When. 4. Consumer Reports Health routinely compares drugs in terms of effectiveness and safety. In summer 2008 they reviewed drugs used to treat arthritis. Among the information reported was convenience of use (how many pills required each day) and possible side effects (e.g., dizziness, stomach upset). Convenience of use and possible side effects constitute the ________ of the study. A. Who B. What C. When D. Where E. How 1.4 Data Sources: Where, How, and When. 5. What is the “Who” in a Consumer Reports Health study on the effectiveness and safety of drugs used to treat arthritis? A. drugs to treat arthritis currently on the market B. convenience of use and possible side effects C. summer 2008 D. the United States E. testing on drugs 1.3 Variable Types. 6. A Consumer Reports Health study on the effectiveness and safety of arthritis drugs collected data on possible side effects. This is what kind of variable? A. Quantitative B. Categorical C. Nominal D. Both A and C E. Both B and C 1.3 Variable Types. 7. A Consumer Reports Health study on arthritis drugs takes into consideration cost. Cost _____________________________________ . A. is a nominal variable B. is a categorical variable C. is a quantitative variable D. is an ordinal variable E. is an irrelevant variable

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    1-14 Chapter 1 Data and Decisions 1.3 Variable Types. 8. The Human Resources Department of a large corporation maintains records on its employees. Data are maintained of the following variables: Age, Employment Category, Education, Whether or not the employee participates in a wellness program, and Paycheck benefit deductions. Which of these variables are categorical? A. Age, Employment Category , and Education B. Employment Category, Education , and Whether or not the employee participates in a wellness program C. Education, Whether or not the employee participates in a wellness program , and Paycheck benefit deductions D. All of the variables E. None of the variables 1.3 Variable Types. 9. Which of the following is (are) based on cross sectional data? A. Company quarterly profits B. Percentage of American adults who work full time C. Historical closing stock prices D. All of the above E. None of the above. 1.3 Variable Types. 10. Which of the following is (are) time series data? A. Weekly receipts at a clothing boutique B. Monthly demand for an automotive part C. Quarterly sales of automobiles D. All of the above E. None of the above

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    Quiz D 1-15 Chapter 1: Data and Decisions – Quiz D – Key 1. A 2. B 3. E 4. B 5. A 6. E 7. C 8. B 9. B 10. D

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