Test Bank for Business Statistics, 4th Edition

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1-1Chapter 1: Data and Decisions– Quiz AName_________________________1.4 Data Sources: Where, How, and When1. Viamedia, the cable industry's leading independent cable rep firm and provider ofonline advertising services, sponsored an online survey in June, 2013 to understandtelevision viewing habits. The survey was given to 2,029 American adults age 18 andolder, of whom 1,958 watch television programming. Of interest was how Americanswatched 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 andtelevision viewing patterns. List the variables in the data set. Indicate whether eachvariable is categorical or quantitative. If the variable is quantitative, give the units.IncomeRanges% TotalU.S.Households% Asian-AmericanHouseholdsAgeDistribution% TotalU.S.Households% Asian-AmericanHouseholds< $25,00024%20%0–913%12%$25,000–$34,99911%8%10–1711%10%$35,000–$49,99916%13%18–2410%10%$50,000–$74,99920%18%25–3413%16%$75,000–$99,99912%14%45–5414%14%$100,000+18%29%55–7420%14%75+6%04%Composition ofAsian-Americans% CompositionAsian-Indian19%Vietnamese11%Chinese23%Korean10%Filipino17%Japanese5%Other Asian15%

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1-2Chapter 1 Data and Decisions1.3 Variable Types.3. In addition to the variables listed above, data were also collected on the variableslisted 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 A1-3Chapter 1: Data and Decisions – Quiz A – Key1. Viamedia, the cable industry's leading independent cable rep firm and provider ofonline advertising services, sponsored an online survey in June, 2013 to understandtelevision viewing habits. The survey was given to 2,029 American adults age 18 andolder, of whom 1,958 watch television programming. Of interest was how Americanswatched 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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1-4Chapter 1 Data and Decisions2. The following tables display some of the demographic data collected in a recent(2012) Nielsen Global Survey analyzing Asian American purchasing behaviors andtelevision viewing patterns. List the variables in the data set. Indicate whether eachvariable is categorical or quantitative. If the variable is quantitative, give the units.HouseholdIncomeRanges% TotalU.S.Households% Asian-AmericanHouseholdsAgeDistribution% TotalU.S.Households% Asian-AmericanHouseholds< $25,00024%20%0–913%12%$25,000–$34,99911%8%10–1711%10%$35,000–$49,99916%13%18–2410%10%$50,000–$74,99920%18%25–3413%16%$75,000–$99,99912%14%45–5414%14%$100,000+18%29%55–7420%14%75+6%04%Types of ExpenditureAsian-AmericansTotal U.S.MarketHousing$20,800$16,900Transportation$10,100$9,000Food$8,000$6,600Personal Insuranceand Food$7,800$5,600Apparel$2,400$1,700Categorical: Household Income Ranges, Age Distribution, Types of ExpenditureQuantitative: % Total Household, % Asian-American Households, % Age Distribution-Total U.S. and Asian-American, Expenditures of Asian-Americans ($), Expenditures ofTotal U.S. Market ($)

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Quiz A1-53. In addition to the variables listed above, data were also collected on the variableslisted 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)Nominal4. For each of the following, indicate whether the data are cross-sectional or time series:Monthly spending on household goodsTime SeriesChange in population for 5 consecutive yearsTime SeriesComposition of types of Asian American families in the most populated U.S.cities.Cross-SectionalMonthly demand for a technology itemTime SeriesPercentage of adults who purchase goods onlineCross-Sectional

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1-6Chapter 1 Data and DecisionsChapter 1: Data and Decisions – Quiz BName_________________________1.4 Data Sources: Where, How, and When.1.Consumer Reports Healthroutinely compares drugs in terms of effectiveness andsafety. In summer 2008 they reviewed drugs used to treat arthritis. Information wasreported 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 informationgiven.Who:What:When:Where:How:Why:1.3 Variable Types.2. List the variables reported in theConsumer Reports Healtharticle on drugs used totreat 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 itsemployees. 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 isquantitative, give the units. If the variable is categorical, indicate whether it is nominal orordinal.AgeEmploymentCategoryEducationParticipates inWellness Program?Paycheck BenefitDeductions32ClericalHigh SchoolYes$25052ProfessionalCollegeNo$12060ProfessionalJunior CollegeYes$028ClericalHigh SchoolNo$1201.3 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 B1-7Chapter 1: Data and Decisions – Quiz B – Key1.Consumer Reports Healthroutinely compares drugs in terms of effectiveness andsafety. In summer 2008 they reviewed drugs used to treat arthritis. Information wasreported 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 informationgiven.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/patients2. List the variables reported in theConsumer Reports Healtharticle on drugs used totreat 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 itsemployees. 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 isquantitative, give the units. If the variable is categorical, indicate whether it is nominal orordinal.

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1-8Chapter 1 Data and DecisionsAgeEmploymentCategoryEducationParticipates inWellness Program?Paycheck BenefitDeductions32ClericalHigh SchoolYes$25052ProfessionalCollegeNo$12060ProfessionalJunior CollegeYes$028ClericalHigh SchoolNo$120Categorical: Employment Category (nominal), Education (ordinal), Participation inWellness Program? (nominal)Quantitative:Age (years), Paycheck Benefit Deductions ($)4. For each of the following, indicate whether the data are cross-sectional or time series:Company quarterly profitsTime SeriesPercentage of American adults who work full timeCross-SectionalHistorical closing stock pricesTime Series

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Quiz C1-9Chapter 1: Data and Decisions – Quiz CName_________________________1.4 Data Sources: Where, How, and When.1.Consumer Reports National Research Centerroutinely compares products andservices. A poll of more than 1,800 U.S. residents was conducted shortly after the 2008holiday season. What they found was that fewer people than in the previous year tippedtheir service providers (newspaper carrier, barber, mail carrier, hairdresser, garbagecollector) 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 themedian 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 theConsumer Reports Magazinearticle on tipping. Ifthe variable is quantitative, give the units. If the variable is categorical, indicate whetherit is nominal or ordinal.1.3 Variable Types.3. Businesses in a U.S. city were surveyed about information to provide to prospectiveemployees 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 orquantitative. If the variable is quantitative, give the units. If the variable is categorical,indicate whether it is nominal or ordinal.EmploymentCategoryRequire an MBADegree?Prefer Graduateswith WorkExperience?Median Salary ofNew GraduatesSalesNoNo$35,000ManagementYesYes$47,000AccountingNoYes$52,000AdvertisingNoNo$45,0001.3 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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1-10Chapter 1 Data and DecisionsChapter 1: Data and Decisions – Quiz C – Key1.Consumer Reports National Research Centerroutinely compares products andservices. A poll of more than 1,800 U.S. residents was conducted shortly after the 2008holiday season. What they found was that fewer people tipped their service providers(newspaper carrier, barber, mail carrier, hairdresser, garbage collector) than in theprevious 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 levelof tipping, and the median total value of the tip. Describe the W’s for the informationgiven.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 forthis 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 providers2. List the variables reported in theConsumer Reports Magazinearticle on tipping. Ifthe variable is quantitative, give the units. If the variable is categorical, indicate whetherit 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 C1-113. Businesses in a U.S. city were surveyed about information to provide to prospectiveemployees 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 orquantitative. If the variable is quantitative, give the units. If the variable is categorical,indicate whether it is nominal or ordinal.EmploymentCategoryRequire an MBADegree?Level of WorkExperiencePreferred?Median Salary ofNew GraduatesSalesNoNone$35,000ManagementYesExtensive$47,000AccountingNoModerate$52,000AdvertisingNoNone$45,000Categorical: Employment Category (nominal), Require an MBA Degree? (nominal),Level of Work Experience Preferred? (ordinal)Quantitative: Median Salary of New Graduates ($)4. For each of the following, indicate whether the data are cross-sectional or time series:Dow Jones IndexTime SeriesEating habits by age groupCross-SectionalAttitudes toward abortion over past 10 yearsTime SeriesVoting behavior data for a particular neighborhoodCross-Sectional

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1-12Chapter 1 Data and DecisionsChapter 1: Data and Decisions – Quiz D – Multiple ChoiceName________________________1.4 Data Sources: Where, How, and When.1. In the fall of 2007, thePew Internet & Life Projectconducted telephone interviewswith a sample of American adults aged 18 and older about online shopping. Americanadults aged 18 and older constitute the ______ of the study.A. WhoB. WhatC. WhenD. WhereE. How1.3 Variable Types.2. A few of the variables for which data were collected in thePew Internet & LifeProjectstudy about online shopping include age, gender, income, and number of hoursspent shopping online per month. Which of the variables is categorical?A. AgeB. GenderC. IncomeD. Number of hours spent shopping onlineE. None1.3 Variable Types.3. ThePew Internet & Life Projectstudy about online shopping asked respondents toindicate their education level on the following scale:Less than High School, HighSchool, 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 BE. Both A and C

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Quiz D1-131.4 Data Sources: Where, How, and When.4.Consumer Reports Healthroutinely compares drugs in terms of effectiveness andsafety. In summer 2008 they reviewed drugs used to treat arthritis. Among theinformation reported was convenience of use (how many pills required each day) andpossible side effects (e.g., dizziness, stomach upset). Convenience of use and possibleside effects constitute the ________ of the study.A. WhoB. WhatC. WhenD. WhereE. How1.4 Data Sources: Where, How, and When.5. What is the “Who” in aConsumer Reports Healthstudy on the effectiveness andsafety of drugs used to treat arthritis?A. drugs to treat arthritis currently on the marketB. convenience of use and possible side effectsC. summer 2008D. the United StatesE. testing on drugs1.3 Variable Types.6. AConsumer Reports Healthstudy on the effectiveness and safety of arthritis drugscollected data on possible side effects. This is what kind of variable?A. QuantitativeB. CategoricalC. NominalD. Both A and CE. Both B and C1.3 Variable Types.7. AConsumer Reports Healthstudy on arthritis drugs takes into consideration cost.Cost _____________________________________ .A. is a nominal variableB. is a categorical variableC. is a quantitative variableD. is an ordinal variableE. is an irrelevant variable

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1-14Chapter 1 Data and Decisions1.3 Variable Types.8. The Human Resources Department of a large corporation maintains records on itsemployees. Data are maintained of the following variables:Age, Employment Category,Education, Whether or not the employee participates in a wellness program, andPaycheck benefit deductions.Which of these variables are categorical?A.Age, Employment Category, andEducationB.Employment Category, Education, andWhether or not the employee participatesina wellness programC.Education, Whether or not the employee participates in a wellness program, andPaycheck benefit deductionsD. All of the variablesE. None of the variables1.3 Variable Types.9. Which of the following is (are) based on cross sectional data?A. Company quarterly profitsB. Percentage of American adults who work full timeC. Historical closing stock pricesD. All of the aboveE. None of the above.1.3 Variable Types.10. Which of the following is (are) time series data?A. Weekly receipts at a clothing boutiqueB. Monthly demand for an automotive partC. Quarterly sales of automobilesD. All of the aboveE. None of the above

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Quiz D1-15Chapter 1: Data and Decisions – Quiz D – Key1. A2. B3. E4. B5. A6. E7. C8. B9. B10. D

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