CertifQ

OPTIONS A business philosophy focusing on improvement A project management model A defects reduction technique that is six times better than average A measurement system ANSWER A business philosophy focusing on improvement EXPLANATION Six Sigma is a business philosophy focused on driving continuous and breakthrough...

OPTIONS fix defects. reduce variation. perform project management. calculate standard deviation. ANSWER Reduce variation EXPLANATION The purpose of Six Sigma is to reduce variation from any process and product. As variation is reduced, the quality is increased.

OPTIONS p chart np chart u chart c chart ANSWER p chart EXPLANATION Use a p chart if you wish to study defectives.

OPTIONS Need to collect lesser samples Process shifts detected easily Additional sensitivity by averages charts not justified Process drifts detected easily ANSWER Additional sensitivity by averages charts not justified EXPLANATION Individuals charts are not sensitive to special causes, so THE THIRD OPTION is correct.

OPTIONS The Average charts are not sensitive to non-normality The Average charts provide tighter controls Average charts best indicate within and between subgroup variation Average charts show mean shift ANSWER The Average charts provide tighter controls EXPLANATION The reason why Xbar charts are chosen over...

OPTIONS When you can collect only one observation per day When it is not feasible to use averages chart for process control When within-subgroup variation is to small relative to batch-batch variation All of the above ANSWER All of the above EXPLANATION Conditions mentioned in...

OPTIONS Xbar S P chart EWMA Chart ANSWER EWMA Chart EXPLANATION An EWMA chart has exponentially varying control limits.

OPTIONS The change effort has yielded some results The change effort needs to be re-checked The change effort has not yielded positive results The change effort has not changed anything ANSWER The change effort has not changed anything EXPLANATION If p-value is 0.420, it is...

OPTIONS Blocks in a Split Plot design serve as experimental units Split plots are the same as completely randomized designs Split plots are randomized twice The randomization in split plots ensure split plot errors are independently distributed ANSWER Split plots are the same as completely...