六西格玛BB模拟试题3.doc

六西格玛黑带考试题模拟试卷（3）单位_ 部门_ 姓名_ 得分_试题全部为选择题，分单选和多选两类，对于多选题已有加注，无加注均为单选题。请在正确答案上划“”。 1.直通率未使用在 Ca. 决定产出的显著差异to determined significant differences in yieldb. 提供基线指标to provide a baseline metricc. 计算顾客满意度to calculate customer satisfactiond. 分析过程以提高操作to analyze process to improve operations2. 为提高项目成功机会，团队成员应包括For successful high impact projects, team members should include Ca. 马上可用的人手people immediately availableb. 不同部门的人手members from a number of different departmentsc. 拥有适当经验的人员trained people with appropriate expertised. 对项目感兴趣的人people interested in the project3.一个适当的项目宪章是重要的，因为项目宪章将确保A properly chartered project is important because Da. 冠军将支持团队team champion will support the teamb. 团队聚焦在恰当的工作上team is focused on the right issuec. 项目解决措施与项目目标关联project solution is aligned with the business objectivesd. 以上全部是all of abovee. 以上全部都不对none of above 4.项目里程碑的主要用处是Primary application of project milestones is to Ca. 为项目报告收集信息allow information be collected for the project reportb. 提供管理层奖励团队成员的机会provide opportunity for management to reward membersc. 保持项目追溯keep the project on trackd. 确保团队成员保持繁忙assures management that team members are busye. 以上都是all of abovef. 以上都错none of above5.提供以下数据Given the following data, B聚合体Polymer25基体Base15表面活化剂Surfactant 5水Water35其他Other20 柏拉图从左到右的顺序为the conventional listing for Pareto chart from left to right isa. water, polymer, other, base, surfactantb. water, polymer, base, surfactant, otherc. polymer, water, other, base, surfactantd. polymer, water, base, surfactant, othere. 以上都不对none of above6. 项目宪章中的业务机会指The business case in the project charter means Aa. 项目实施战略或财务原因的总计summation of the strategic or financial reasons for the projectb. 项目所有理由full justification for the projectc. 项目完整的案例研究complete case study for the projectd. 重新设计机会的理由justification to redesign the opportunitye. 以上都不对none of above7. RTY的操作定义是The operational definition of RTY is Aa. 连续多个步骤的累计产出cumulative yield through sequential multiple stepsb. 多个步骤的总产出total yield of multiple processesc. 每个步骤在产出上的减少decrease in yield at each process stepd. 单个产出计算的差异differences in individual yield calculationse. 以上都错none of above 8.当讨论准确度 和 精确度时When discussing accuracy and precision: Ca. 准确度与稳定性关联，精确度与校准相关accuracy relates to stability, while precision is related to calibration b. 准确度与变差相关，精确度与数据均值有关accuracy has to do with variation, while precision has to do with data meansc. 准确度与测量均值相关，精确度与分布相关accuracy relates to measurement means, while precision relates to dispersiond. 准确度和精确度是相同概念accuracy and precision essentially the same concepte. 以上都错none of above9. 属性数据的流程能力Process capability for attribute data Da. 不能决定cannot be determinedb. 通过属性数据的控制限来决定is determined by control limits based on attribute chartc. 通过在25个或更多样本中计算平均不合格单位来计算is calculated by averaging nonconforming units in 25 or more samplesd. 等于不合格产品的平均比例equals the average proportion of nonconforming producte. 以上都错none of above 10. 下面哪个指标的可变性不依靠每个测量值Which measure of variability listed below does not depend on value of every measurement? Da. Mean 均值b. Variance 变差c. standard deviation 标准差d. range 极差e. none of above 以上都错11. 量具R&R 研究通过以下来哪项变差决定Repeatability of a Gage R & R study can be determined by Aa. 使用单个测量者之间的变差和他们内部测量值的变差using variation between individual testers and within their measurement readingsb. 使用单个测量者对所有部件的均值之间的变差using the variation between average of individual inspectors for all parts testedc. 使用测量者之间的部件均值的变差using variation between part averages that are averaged among testersd. 使用单个测量者和部件平均的变差using variation between individual testers and comparing it to part averagese.以上都错none of above12.当n增加的时候，样本均值的分布将趋向什么分布Distribution of the average of x samples will approach which distribution as n becomes large? Ba. Poisson泊松分布b. Normal正态分布c. Logarithmic对数分布d. Exponential指数分布e. none of above都不对13.当比较公差与自然过程限后，可采取什么行动After comparing specification range with the natural process limits, what actions can be taken? FA change nothing 什么都不改变B reduce variation in the process 减少过程变差C accept generation of non-standard materials接受不标准物料的产生D center the process过程对中E modify specification改变公差F all of above 以上全部G none of above 以上都错14.下面哪项描述了离散数据Which statement(s) describes discrete data Ca. 凤凰城到纽约的飞行时间是4小时30分flight time from Phoenix Arizona to New York City is 4 hours and 30 minutesb. 飞机11：45分到达纽约the plane touched down in NYC at 11:45 AMc. 飞机上有174个旅客there were 174 passengers on the planed. all of above 以上全部 e.none of above 以上全错15. t检验中，当P=0.05When P = 0.05 in a t-test, A a. 5%的时间内，我们认为有差异，而实际没差异5% of the time, we say there is a difference while there is no differenceB 5%时间内，我们认为没差异，而实际有差异5% of the time, we say there is no difference while there is a differenceC 我们95%时间内做了错误推断we make a wrong inference 95% of the timeD. 以上都错none of above 16. 已知均值95%的置信区间为77.3 到 90.1，我们可以说Given the 95% confidence interval for the mean is 77.3 to 90.1, we can say that Ca. 95%的数值比77.3小 或 比90.1大。 95% of the values are less than 77.3 or greater than 90.1B 选择一个数值在77.3 到90.1之间的概率为95%probability of selecting a value between 77.3 and 90.1 is 95%C 总体均值落在77.3 到 90.1的概率为95%probability of the population mean falling between 77.3 and 90.1 is 95%D 95%的总体值在77.3到90.1之间values for 95% of the population falls between 77.3 and 90.1e. 以上都错none of above17. 当我们有一个居中流程Cp为0.5，公差限是流程宽度的%When we have a centered process with Cp of 0.5, specification range is what % of the process width? AA 50%B 100%C至少at least 200%d. 200%e. 以上都错none of above18.对正态分布，单值数据，控制限取+/- 3 标准差是为了For normal, individuals data, the control limits are +/- 3 standard deviations in order Aa.减少当没有问题时去找问题的概率to reduce the probability of looking for problems where none existsb.确保一个小的2型风险to assure a small type II errorc.为制造建立紧密的限制to establish tight limits for production d.让过程失控困难to make it difficult for the process to go out of controle.以上都错none of above19. 在正态分布总体中，中值、均值和众数的关系是In a normally distributed population, what is the relationship among the median, mean and mode? Aa. 他们在数值上相等they are equal in valueb. 都不同each has a different valuec. 众数与均值和中位数不同mode is different from median and meand.均值与中位数和众数不同mean is different from median and modee.以上都错none of above 20. 均值为34，标准差为1.84，上下公差为38和17，该过程的CpK是多少What is the Cpk of a process with a mean of 24, a standard deviation of 1.84, with upper and lower specification limits of 38 and 17 respectively? Aa.1.27b.0.21c.0.64d.1.59e.none of above 以上都错21. 我们引起了风险，当我们We incur a beta risk error when we Ca. 接受零假设，当零假设为真时accept the null hypothesis when it is trueb. 拒绝零假设当零假设为真时reject the null hypothesis when it is truec. 接收零假设，当零假设为假时accept the null hypothesis when it is falsed.拒绝零假设当零假设为假时reject the null hypothesis when it is falsee. 以上都错none of above22. 过程的Cp 和 Cpk 之间的关系是The relationship between Cp and Cpk for a process:Da. Cp 说明了过程均值accounts for the mean of the processb. 不需要稳定的过程stable process is not requiredc. Cpk常比Cp大 is usually larger than Cpd. 在计算Cp 和 Cpk 中，Cpk的分母是Cp的一半for calculating Cp and Cpk, denominator used for Cpk is that of Cpe.以上都错none of above23. 可变数据可描述为Variable data can be described as:Aa.弹弓练习中橡皮筋的张力the tension on the rubber band in the catapult exerciseb.弹弓数量number of catapults used by the entire classc.弹弓“停止”位置number of “stop” positions on the catapultd.使用的橡皮圈数量the number of rubber bands usede.以上都错none of above24. 流程能力指数Cp计算所需的输入是什么What are the required inputs for the calculation of process capability index Cp?D a.流程均值和标准差process average & standard deviationb.流程均值和置信区间process average & confidence interval c.公差和流程平均specification limits & process average d.公差和标准差specification limits & standard deviatione.以上都错none of above25.在流程图中，菱形表示什么符号In process mapping, a diamond is the symbol of Dcess input 流程输入cess step 流程步骤c.continuation 连接d.decision point 决策点e. none of above 以上都错26. 两组间比较样本均值时所使用的统计分布是What statistical distribution is used for comparing sample means from two groups? Ba.Chi-square distribution 卡方分布b.t distribution t分布c. normal distribution 正态分布d. exponential distribution 指数分布e. none of above 以上都错27. 长度、宽度和体积测量值是什么类型的数据Measurements of length, width and volume are considered to be what types of data?Ca.discrete 离散b.categorical 分类c.continuous 连续d.attribute属性e.none of above 以上都错28. Cp 等于Cpk ，当仅当Cp equals Cpk when and only whenCa.CP = PPb.公差限很宽specification limits are widec.过程居中process is centeredd.标准差小standard deviation is smallb. 以上都错none of above29. 过程均值为7.991，过程是否能达到这个目标值的零假设可描述为：Mean value of a process is 7.991”. A suitable statement for the null hypothesis to test whether the process can attain this target value is Aa.mean of the population is 7.991” 总体均值为7.991b.mean of the population is not 7.991” 总体均值不等于7.991c.mean of the sample is 7.991” 样本均值为 7.991d.mean of the sample is not 7.991” 样本均值不为7.991e.none of above 以上都错30.当数据点围绕回归线分散变大时，r2值When the scatter of data points around a regression line gets larger, the value of r2 Ba.is not affected 不受影响b.decreases 减少c.increases 增加d.approaches 0.5 等于0.5e.none of the above 以上都错31.当均值90%的置信区间为5.6到7.9之间，下面哪个是正确的When the 90% confidence interval for the mean mu is from 5.6 to 7.9, which of the following statement is true? Aa.总体均值落到5.6 到7.9的概率为90%the probability of mu actually falling between 5.6 and 7.9 is 90%b.样本均值在5.6 到7.9概率为90%the probability of X bar falling between 5.6 and 7.9 is 90%c.4西格玛范围为 5.6-6.9；4 Sigma range = 5.6 - 6.9d.以上都错none of above32.在多元回归中，哪个正确In multiple regression, what statement(s) is (are) correct: Da.最少需要3个变量requires a minimum of 3 variablesb. 需要1个相依变量和2个或更多的独立变量requires one dependent and two or more independent variables c.超出观察数据范围的外推可能导致错误预测extrapolation beyond region of observed data may lead to erroneous predictionsd.以上都对all of abovee.以上都错none of above33.方差分析的假设包括Assumptions for the use of analysis of variance include Ca.样本正态分布samples are normally distributedb.样本有相同的标准差samples have equal standard deviationsc.以上都对all of aboved.以上都错none of above34.下面哪项对线性相关的相关系数的描述是错误的Which statement concerning the correlation coefficient is not true in a linear correlation? Da.r=-0.41 与r=0.41有相同的预测力r=-0.41 has the same predictive power as r=0.41b.理想的关系可表示为r=1；perfect relationship is indicated by r=1.00c.r=0 表示没有线性关系；indicates the absence of a relationd.两个变量有立方关系there is a cubic relationship between the two variablese.以上都不对none of above35.在一个t检验中，当我们设立为0.1时，表示What does it mean when we set alpha to 0.1 in a t-test? Aa.10%的时间，我们认为有有差异而实际没差异10% of the time, we say there is a difference when there is not a real differenceb.105时间，我们认为没差异而实际有差异10% of the time, we say there is no difference when there is a real differencec.我们将在90%时间内做错误推断we will make a wrong inference in 90% of the timed.零假设在90%时间内正确the null hypothesis is correct in 90% of the timee.以上都错none of above36.当m和n之间的相关性为0.91时，我们可以说When the correlation between m and n is +0.91, we can say Aa.m和n之间的关系强relationship between m and n is strongb.可以用等式y=0.91x来从x推断y； value of y can be predicted from x by using the equation y = 0.91xc.a和b 都对；both a and b are correctd.以上都不对none of above is correct37.p 或显著水平 定义是The definition of p or level of significance is: Ca.接收零假设当零假设为假时的概率probability of accepting the null hypothesis when it is falseb.当零假设为真时不拒绝零假设的概率probability of not rejecting a null hypothesis when it is truec.零假设为真时接受替换假设的概率probability of accepting the alternate hypothesis when the null hypothesis is trued.拒绝替换假设当替换假设为真时的概率probability of rejecting the alternative hypothesis when it is truee.以上都错none of above38.3个检测员对50件装饰品分类为接收或拒绝。结果如下表Three inspectors classified the same 50 pieces of widget as conforming or defective. With the results listed in the following table CClassification分类Inspector 检验员AInspector检验员 BInspector检验员 CDefective次品173025Conforming良品332025哪项是正确的？Which statement(s) is(are) true? 已知：在显著水平为0.05时，卡方值是5.99.a. 卡方值为6.9；calculated value of Chi-square is 6.9b.拒绝零假设null hypothesis is rejectedc.以上都对all of above are trued.以上都错none of above is true39.从过程E中随机抽样得到30个良品和10个次品。从过程F中随机抽样结果为25个次品（共60个单位）。使用卡方检验，得到P 值 = 0.087；请问，两个过程E和F在同一质量水平的概率是什么？Random sampling from process E yielded 30 conforming and 10 defective units. For process F, the result was 25 defective units out of a total of 60 units. Using Chi-square, what is the probability that both processes were operating at the same quality level? CHint - You can use Minitab to set up the problem and have Minitab do the calculations.a.大于20%higher than 20%b.在10-20%之间between 10 and 20%c.在5-10%之间between 5 and 10%d.小于5%less than 5%e 在90-95%之间e.以上都错none of above40.当数据点对回归线的分布更紧密时，r2 值将When the spread of data points about a regression line becomes tighter, value of r2 will Aa.approach 1.00 趋向 1；b.remain unaffected 保持不变c.become smaller 更小d.none of above 以上都不对41.当回归等式“y = mx + b”形式时，y值随x值增加当？如When the regression equation is in the form of y = mx + b, the value of y increases with x when Ba.b is positive b为负值b.m is positive m为正值c.b is negative b为正值d.m is negative m为负值e.none of above以上都错42.自行车头盔随机取样和测试冲击抵抗力，均值的95%的置信区间为：Bicycle helmets were sampled at random and tested for impact resistance. What is the 95% confidence interval for the mean value whenSample size样本量 = 100 Average impact resistance 平均冲击抵抗力= 333 gramsStandard deviation标准差 = 15 grams Ca.+/-294 gramsb.+/- 29.4 gramsc.+/- 2.94 gramsd. +/- 0.29 grame.以上都错none of above43.当比较模具不同腔位置（一个模具有8个腔）对部件尺寸的影响时，使用哪个统计检验方法Which statistical test would one use to compare the impact of cavity location on part dimensions (from an eight cavity mold) Da.t-test t检验b.regression 回归c.chi-square 卡方检验d.analysis of variance 方差分析e.none of above以上都错44.比较检测输出的观察值和期待值频率的检验是The test that compares observed and expected frequencies of test outcomes is Da.F-test F检验b.t-test t检验c.paired t-test 成对t检验d.chi-square 卡方检验e.none above 以上都错45.当实验1的相关系数为-0.91，实验2的相关系数为0.85时，下面哪个说法是错误的？When the correlation coefficient for experiment 1 is -0.91 and the correlation coefficient for experiment 2 is 0.85, which of the following statements is false? Aa.实验1围绕回归线分布更分散the scatter around the regression line is more for experiment 1b.两个实验都有强的相关性there is strong correlation in both experimentsc.实验2中Y和X同时增加Y increases with X in experiment 2d.实验1是负相关slope of experiment 1 is negativee.以上都错none of above46.当应用ANOVA来检验单因子的假设是The assumption used when applying ANOVA to thetest forequal variance for a single factor experiment is thatBa.variances are not equal 方差不相等b.variances are equal 方差相等c.means are not equal 均值不相等d.means are equal 均值相等e.none of above 以上都错47.我们能用下面哪项技术来评估两个随机变量之间的独立性We can use one of the following techniques to assess the degree of interdependence between two random variables: Ba.hypothesis testing 假设检验b.correlation 相关性c.sampling 抽样d.all of above 以上全部e.none of above以上都不对48.在单项ANOVA中，下面哪项说法是错误的？In one-way ANOVA, which of the following statements is false? Aa.the test involves one level 检验包括单水平b.the test involves independent samples 检验包括独立样本c.the test involves one dependent variable 检验包括一个独立变量d.the test involves one independent variable 检验包括一个相依变量e.all of above 以上全部c. none of above以上都错49.在EVOP后的统计原理是The statistical principle behind EVOP is Ca.making large changes in input variables 对输入变量做大的改变duce material with low levels of confidence在低置信水平制造物料c.determine small differences in performance through large sample size 通过大样本量来找到输出小的变化d.none of above以上都不对50. 对于给定的标准差，风险和检验效力，当最小的检验差别变小时，你的样本量大小的变化是For a given sigma, alpha-risk and Power value, what happens to your sample size requirements as the minimum delta (effect size) gets smaller Ba.sample size goes down 样本量变小b.sample size goes up 样本量变大c.the delta does not have an effect on sample size 没有影响d.we do not have enough information to answer this question 信息不够e.N = 30 样本量等于3051. 在抽样中，“效力”可以表达为Under sampling, “Power” can be defined as Ca.the probability of making a Type I error 产生1型误差的概率b.the probability of making a Type II error 产生2型误差的概率c.the probability of being able to detect a specified minimum difference 能够检测出最小差别的概率d.接受零假设的概率e.both a. & b. a 和 b52. 如果你使用0.65% AQL抽样计划，接收一个批次含6500ppm次品的概率是 If you were using a 0.65% AQL sampling plan, what is the probability of “shipping” a given lot containing 6,500 ppm non-conforming product Ba.almost 100% 大概为100%b.approximately 95% 大概为 95%c.approximately 10% 大概为10%d.approximately 5% 大概为 5%e.it depends on the Ac/Re criteria 根据 Ac/Re 而定53. 看板是：Kanban is defined as: Da.制造和办公区域禁止的物料materials that are prohibited in production and office areasb.需返工的报告reports that need to be reworkedc.包装的一种类型a type of packagingd.一种标签卡片系统，使用来管理顾客和供应商（内部或外部）之间的物料库存和过程流动a tag-like card system, used to manage material inventory and process flow between customers and suppliers (internal and/or external)54. 如果你每班次的净工作时间为420分钟，你顾客每天需要