OPTIONS achieving on-time goals. removing process bottlenecks. removing waste. correlation analysis of constraints. ANSWER removing process bottlenecks. EXPLANATION The Theory of Constraints focuses on eliminating bottlenecks in a process of increasing the throughput. Achieving on-time goals and removing waste may not increase throughput.
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OPTIONS 0.85 0.63 0.75 0.60 ANSWER 0.63 EXPLANATION For this problem, there are 2 calculations to be done: 1. Net Operating Rate = (Processed Amount X Actual Cycle Time) / Operating Time = 60 X 3 / 240 = 0.75 or 75% 2. Performance Efficiency...
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OPTIONS Factors that impact tolerance design Factors that influence variation in the output Factors that strongly influence the mean response Factors that maximize parameter design ANSWER Factors that influence variation in the output EXPLANATION Taguchi’s design methodology refers to two major categories of factors: Signal...
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OPTIONS Tolerance Design Parameter Design Product Design System Design ANSWER Parameter Design EXPLANATION Taguchi referred to system, parameter, and tolerance design as design considerations for products and processes. Of these, Taguchi considered parameter design to be the most neglected aspect of product design.
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OPTIONS better than one factor at a time testing. model based testing. poka yoke. a careful planned application of the scientific method. ANSWER a careful planned application of the scientific method. EXPLANATION While all the answers have some merits , option D is a lot...
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OPTIONS 783 42074 21037 412 ANSWER 21037 EXPLANATION If the sample average is used to estimate the population mean, the confidence that the error will not exceed E is (1-alpha). The same size is computed by the expression: n = Z2sigma2 / E2 n =...
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A study was conducted on the relationship between the speed of different cars and their gasoline mileage. The correlation coefficient was found to be 0.35. Later, it was discovered that there was a defect in the speedometers and they had all been set 5 miles...
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OPTIONS The total standard deviation is equal to the sum of the standard deviation for the treatment effect plus the standard deviation of the random error. Sum of Square of Errors between the mean and individual values The total sum of squares of deviations from...
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Product yield was 86% before an improvement was made. To determine if a 3% change (in either direction) has been made at the 95% confidence level, what sample size should be taken? OPTIONS 514 3671 110 86 ANSWER 514 EXPLANATION For this, we would need...
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OPTIONS Kendall coefficient of concordance Mood’s median test Kruskal-Wallis test Spearman Rank correlation coefficient ANSWER Spearman Rank correlation coefficient EXPLANATION The 3 tests in options a, b and c require use of chi-square. “Spearman Rank Correlation Coefficient” is the right answer.
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Certification Exams Questions, LSSBB/ Lean Six Sigma Black Belt
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