Precision is different from accuracy because精确不同于准确,因为()。
A. Precision means that the dispersion of repeated measurement results is very small, and accuracy means that the single measurement results are very close to the target value精确是指重复测量的结果的离散度很小,准确是指单次测量的结果与目标值很接近
B. Accuracy means that the dispersion of repeated measurement results is very small, and precision means that the results of single measurement are very close to the target value准确是指重复测量的结果的离散度很小,精确是指单次测量的结果与目标值很接近
C. Precision is used to measure cost, accuracy is used to measure quality 精确是用于测量成本的,准确是用于测量质量的
D. Precision is used to measure quality, accuracy is used to measure progress精确是用于测量质量的,准确是用于测量进度的
查看答案
The upper and lower control limits in the control chart indicate 控制图中的控制上限和控制下限表明()。
A. Maximum deviation range of project team from penalty项目团队不受处罚的最大偏差范围
B. Dividing line between qualified and unqualified products 产品质量合格与不合格的分界线
C. Limits of production process without corrective actions生产过程不需采取纠正措施的界限
D. An important statistical basis for judging the success or failure of a project判断项目成败的重要统计依据
The control chart has 7 consecutive data points on one side of the mean line. What should we do?控制图在均值线的一侧有7个连续的数据点,这时应该怎样处理?
A. No action was taken because the limits of control were not exceeded 不采取任何行动,因为没有超出控制界限
B. Tell customers告诉客户
C. Stop production停止生产
D. At the same time of continuous production, find out the causes and seek solutions在继续生产的同时,查明原因,寻求解决办法
The “rule of seven" as applied to statistical process control charts means that-应用在流程控制统计表中的 “七规则"指的是
A. Seven rejects typically occur per thousand inspections 每一千个检测点会产生7个不符点
B. Seven consecutive points are ascending, descending, or the same 7个问题点向上、向下或在同一侧
C. t least seven inspectors should be in place for every thousand employees 每一千个员工就应有7个质检员
D. A process is not out of control even though seven measurements fall outside the lower and upper control limits 尽管7个检测点都落在上、下界线控制处,但过程仍在控制中
The characteristics of the experimental design are实验设计的特点是()。
A. The influence of the change of one variable on the result每次考察一个变量的变化对结果的影响
B. The effect of a combination of several variables on the results每次考察几个变量的一种组合对结果的影响
Compare the quality practices of this project with those of other projects把本项目的质量做法与其他项目的质量做法进行比较
D. A technology of implementing quality control process实施质量控制过程的一种技术
微信支付 
支付宝支付