Category: Certification Exams Questions

OPTIONS Only blind attendants are used. Special types of blinds are used. Samples are kept confidential from customers. Samples are kept confidential from testers. ANSWER Samples are kept confidential from testers. EXPLANATION Double blind experimental design means that the samples are kept confidential from testers.

OPTIONS Capability-requirement analysis FMEA analysis Capability-complexity analysis CandE analysis ANSWER Capability-complexity analysis EXPLANATION Capability-Complexity Analysis is used.

OPTIONS 2.944 3.66 3.287 5 ANSWER 3.66 EXPLANATION This is a case of u-chart (count defects and sub-group size may not be constant) u-bar = 1.84 n = 5 UCL = u-bar + 3 * SQRT (u-bar/n) UCL = 1.84 + 3 * SQRT (1.84/5)...

OPTIONS R-Chart C-Chart P-Chart Y-Chart ANSWER R-Chart EXPLANATION An R-Chart must have at least 20 subgroups of observed values to judge whether a process is in control or not.

OPTIONS >1 <1 equal to 1 within 1 standard deviation of mean ANSWER >1 EXPLANATION An ideal process will have a value > 1 in a stable environment.

OPTIONS Outside control limits Within control limits Not enough information available Neither ANSWER Outside control limits EXPLANATION Outside control limits

OPTIONS Lower Cycle Length Lower Control Limit Lower Cycle Limit Lower Control Length ANSWER Lower Control Limit EXPLANATION LCL is Lower Control Limit. It is calculated as three standard deviations below the mean of a process.

OPTIONS If the data meets non-parametric testing conditions and if the data is divided into two independent samples If the data meets parametric testing conditions and if the data is divided into two independent samples If the data meets non-parametric testing conditions and if the...

OPTIONS Analysis of Variance Analysis of Variables Accuracy of Variance Analysis and Validation ANSWER Analysis of Variance EXPLANATION ANOVA stands for Analysis of Variance.