商务决策与分析选择题doc.docx

1、商务决策与分析选择题docBusiness Decision AnalysisReview Sections-ChoiceChapter 01Which of the following terms is interchangeable with quantitative analysis?A)management scienceB)economicsC)financial analysisD)statisticsE)None of the aboveWho is cred让ed with pioneering the principles of the scientific approach

2、 to management?A)Adam SmithB)Henri FayolC)John R. LockeD)Frederick W. TaylorE)Charles BabbageA(n) is a representation of reality or a real-life situation.A)objectiveB)modelC)analysisD)algorithmE)None of the aboveA set of logical and mathematical operations performed in a specific sequence is called

3、a(n)A)complete enumeration.B)diagnostic analysisC)algorithmD)objectiveE)None of the aboveThe ability to examine the variability of a solution due to changes in the formulation of a problem is an important part of the analysis of the results. This type of analysis is called analysis.A)sensitivityB)im

4、plicitC)normalD)scaleE)objectiveWhich of the following is not one of the steps in the quantitative analysis approach?A)Defining the ProblemB)Developing a SolutionC)Observing a hypothesisD)Testing a SolutionE)Implementing the ResultsThe condition of improper data yielding misleading results is referr

5、ed to asA)garbage in, garbage out.B)break-even point.C)uncontrollable variableD)postoptimality.E)None of the aboveExpressing profits through the relationship among unit price, fixed costs, and variable costs is an example ofA)a sensitivity analysis model.B)a quantitative analysis modelC)a postoptima

6、l让y relationshipD)a parameter specification model.E)None of the aboveChapter 02The classical method of determining probability isA)subjective probabil让y.B)marginal probability.C)objective probability.D)joint probability.E)cond让ional probabil让y.Subjective probability assessments depend onA)the total

7、number of trials.B)the relative frequency of occurrenceC)the number of occurrences of the event.D)experience and judgment.E)None of the aboveIf two events are mutually exclusive, thenA)their probabilities can be addedB)they may also be collectively exhaustive.C)the joint probability is equal to 0.D)

8、if one occurs, the other cannot occur.E)All of the aboveA is a numerical statement about the likelihood that an event will occur.A)mutually exclusive constructB)collectively exhaustive constructC)varianceD)probabil让yE)standard deviationA conditional probability P(B I A) is equal to its marginal prob

9、ability P(B) ifA)it is a joint probability.B)statistical dependence exists.C)statistical independence existsD)the events arc mutually exclusive.E)P(A) = P(B).The equation P(A IB) = P(AB)/P(B) isA)the marginal probability.B)the formula for a cond让ional probabil让y.C)the formula for a joint probabil让y.

10、D)only relevant when events A and B are collectively exhaustive.E)None of the aboveBayes theorem is used to calculateA)revised probabilities.B)joint probabilities.C)prior probabilities.D)subjective probabil让iesE)marginal probabilities.If P(A) = 0.3, P(B) = 0.2z P(A and B) = 0.0, what can be said abo

11、ut events A and B?A)They are independentB)They are mutually exclusive.C)They are posterior probabilities.D)None of the aboveE)All of the aboveThe probability of event B, given that event A has occurred11 is known as a probabilit y.A)continuousB)marginalC)simpleD)jointE)conditionalWhen does P(A IB) =

12、 P(A)?A)when A and B are mutually exclusiveB)when A and B are statistically independentC)when A and B are statistically dependentD)when A and B are collectively exhaustiveE)when P(B) = 0Chapter 03An analytic and systematic approach to the study of decision making is referred to asA)decision making u

13、nder risk.B)decision making under uncertainty.C)decision theory.D)decision analysisE)decision making under certaintyExpected monetary value (EMV) isA)the average or expected monetary outcome of a decision if 让 can be repeated a large number of times.B)the average or expected value of the decision, i

14、f you know what would happen ahead of time.C)the average or expected value of information if 让 were completely accurateD)the amount you would lose by not picking the best alternative.E)a decision criterion that places an equal weight on all states of natureWhich of the following is not considered a

15、criteria for decision making under uncertainty?A)optimisticB)pessimisticC)equally likelyD)random selectionE)minimax regretA pessimistic decision making criterion isA)maximaxB)equally likely.C)maximin.D)decision making under certainty.E)mini max regret.Which of the following is true about the expecte

16、d value of perfect information?A)It is the amount you would pay for any sample study.B)It is calculated as EMV minus EOL.C)It is calculated as expected value w让h perfect information minus maximum EMV.D)It is the amount charged for marketing researchE)None of the aboveWhich of the following is not a

17、characteristic of a good decision?A)based on logicB)considers all available dataC)considers all possible alternativesD)employs appropriate quantitative techniquesE)always results in a favorable outcomeThe following is a payoff table giving profits for various situations.States of NatureAlternativesA

18、BCAlternative 1120140120Alternative 220010050Alternative 3100120180Do Nothing000What decision would an optimist make?A)Alternative 1B)Alternative 2C)Alternative 3D)Do NothingE)State of Nature AThe following is a payoff table giving profits for various situations.States of NatureAlternativesABcAltern

19、ative 1120140120Alternative 220010050Alternative 3100120180Do Nothing000What decision would a pessimist make?A)Alternative 1B)Alternative 2C)Alternative 3D)Do NothingE)State of Nature AThe following is an opportunity loss table.States of NatureAlternativesABCAlternative 109085Alternative 2500110Alte

20、rnative 375800What decision should be made based on the minimax regret criterion?A)Alternative 1B)Alternative 2C)Alternative 3D)State of Nature AE)Does not matterThe following is an opportunity loss table.States of NatureAlternativesABCAlternative 130010Alternative 25200Alternative 302025What decisi

21、on should be made based on the minimax regret criterion?A)Alternative 1B)Alternative 2C)Alternative 3D)State of Nature CE)Does not matterThe following is a payoff table.States of NatureAlternativesABCAlternative 130010Alternative 25200Alternative 302025What decision should be made based on the mini

22、max regret criterion?A)Alternative 1B)Alternative 2C)Alternative 3D)State of Nature CE)Does not matterThe following is a payoff table.States of NatureAlternativesABCAlternative 109085Alternative 2500110Alternative 375800What decision should be made based on the minimax regret criterion?A)Alternative

23、 1B)Alternative 2C)Alternative 3D)State of Nature CE)Does not matterChapter 04Which of the following statements is true regarding a scatter diagram?A)It provides very l让tie information about the relationship between the regression variables.B)It is a plot of the independent and dependent variablesC)

24、It is a line chart of the independent and dependent variablesD)It has a value between -1 and +1.E)It gives the percent of variation in the dependent variable that is explained by the independent variableThe random error in a regression equationA)is the predicted error.B)includes both positive and ne

25、gative terms.C)will sum to a large positive numberD)is used the estimate the accuracy of the slope.E)is maximized in a least squares regression model.Which of the following equalities is correct?A)SST = SSR + SSEB)SSR = SST + SSEC)SSE = SSR + SSTD)SST = SSC + SSRE)SSE = Actual Value Predicted ValueW

26、hich of the following statements is true about r2?A)It is also called the coefficient of correlation.B)It is also called the coefficient of determination.C)It represents the percent of variation in X that is explained by Y.D)It represents the percent of variation in the error that is explained by YE

27、)It ranges in value from -1 to + 1 The coefficient of determination resulting from a particular regression analysis was 0.85. What was the slope of the regression line?A)0.85B)-0.85C)0.922D)There is insufficient information to answer the questioruE)None of the aboveThe diagram below illustrates data

28、 with a501990 1991 1992 1993 1994 1995 1996 1997 1998YearA)negative correlation coefficient.B)zero correlation coefficient.C)positive correlation coefficient.D)correlation coefficient equal to +1E)None of the aboveThe correlation coefficient resulting from a particular regression analysis was 025 Wh

29、at was the coefficient of determination?A)0.5B)-0.5C)0.0625D)There is insufficient information to answer the question.E)None of the aboveIn a good regression model the residual plot showsA)a cone pattern.B)an arched pattern.C)a random pattern.D)an increasing pattern.E)a decreasing pattern.Chapter 05

30、Which of the following is not classified as a qualitative forecasting model?A)exponential smoothingB)Delphi methodC)jury of executive opinionD)sales force compositeE)consumer market surveyA judgmental forecasting technique that uses decision makers, staff personnel, and respondent to determine a forecast is calledA)exponential smoothingB)the Delphi method.C)jury of executive opinion.D)sales force compositeE)consumer market survey.Which of the followi