Tag: Lean Six Sigma Green Belt

OPTIONS Mean Median Mode None of the above ANSWER Median EXPLANATION On an ordinal scale, one should always use Median as a measure of Central tendency.

If the probability of a car starting on a cold morning is 0.6, and we have two such cars. What is the probability of at least one of the cars starting on a cold morning? OPTIONS 0.84 0.81 0.6 0.36 ANWER 0.84 EXPLANATION This question...

OPTIONS Beta risk 1-beta risk Level of confidence 1-level of confidence ANSWER Level of confidence EXPLANATION The opposite of the alpha risk is the 1-alpha risk, also called the level of confidence.

OPTIONS Provide perfect value to the customer through a perfect value creation process that has zero waste Continuous Improvement Higher output by encouraging people to work hard and have targets Reducing cost and improving purchasing power for the individuals ANSWER Provide perfect value to the...

OPTIONS The Deming/Shewhart cycle Process flow Continuous improvement Satisfying suppliers ANWER Continuous improvement EXPLANATION The key question phrase is “concept behind.” Option b is inappropriate and does not fit the question. Option a would be correct if the question requested another name for PDCA. Answer...

OPTIONS Unnecessary rounding of data Record production data in time sequence Filter data for entry errors Remove data based on a firm hunch that it is false ANSWER Remove data based on a firm hunch that it is false EXPLANATION Note that a negative response...

OPTIONS 99% 99.37% 99.50% 99.80% ANSWER 99.37% EXPLANATION Using the Sigma-RTY Conversion table, the answer is 99.37%.

OPTIONS Type I error Type II error Type III error Depends on the experiments ANSWER Type I Error EXPLANATION Take an example of a patient who wished to go for an HIV test. He was actually not suffering from the virus, but the tests revealed...

OPTIONS It offers no ability to vary factors together It fails to account for interactions between factors It can be more costly to conduct It is less efficient than designed experiments ANSWER It fails to account for interactions between factors EXPLANATION All the items present...

OPTIONS The sample mean is always the same as population mean The sampling distribution approaches normality with increase in sample size The sample standard deviation will be the same as population standard deviation The sampling distribution would be triangular if population is distributed as triangular...