CertifQ

OPTIONS F-Table T-Table Z-Table Chi-Square ANSWER T-Table EXPLANATION Chi-Square and F-tests are used for determining difference in variances between data sets. The Z-table is used for calculating Mean only whenever the standard deviation is known for the population. The t-test distribution is used when the...

Determine the upper control limit (+3 standard deviation) for proportion defective when the average daily output is 1,335 units and the average fraction defective for last 3 months is 0.03%. OPTIONS 0.09 0.044 0.55 0.03 ANSWER 0.044 EXPLANATION For this question, we need p-control chart...

OPTIONS Attribute Data Continuous Data Correlation GRR Measurement Analysis ANSWER Continuous Data EXPLANATION Data like Length, Volume, Temperature, and Time are part of Continuous Data. Data like Defects and Defectives are part of attribute data

OPTIONS Process Map SIPOC Flow Chart VoC ANSWER SIPOC EXPLANATION SIPOC: Supplier Input Process Output and Control is the right answer that provides an overarching view of all the things together. VoC is capturing Voice of Customer. The process Map and Flowchart provide details on...

27% of the time in the last month, the response time to customer complaints was two days longer than the published service level agreement. This problem statement is termed as: OPTIONS Manageable Achievable Goal Specific Out of Control ANSWER Specific EXPLANATION This is a very...

OPTIONS Decide, Measure, Analyze, Design, Validate Select Team, Assign Roles, Allocate Work, Get Results Define, Measure, Analyze, and Control Forming, Storming, Norming, and Performing ANSWER Forming, Storming, Norming, and Performing EXPLANATION The team development stages are Forming, Storming, Norming, and Performing. The other stages are...

OPTIONS 233 defects per million 1350 defects per million 6210 defects per million Unable to determine with these details ANSWER 1350 defects per million EXPLANATION As per DPMO table, 1350 would be the number of defects per million opportunities at 4.5 sigma level of the...

OPTIONS The DMAIC approach is used to improve and perfect the process that is already in place. DMADV focuses on creating a new product and services and perfecting them. You first do DMAIC and then go for DMADV. If the root cause is known, you...

If 95% of data from a Normally Distributed data set is within +/- 2 Standard Deviation of the Mean, then calculate the probability of having the sample mean within +/- 2 Standard Deviation of the overall population mean. OPTIONS 0.95 0.05 0.9938 1 ANSWER 0.95...