Lean Six Sigma Green Belt AIGPE Exam Questions With Verified Solutions
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Module
Six Sigma Green Belt
Institution
Six Sigma Green Belt
Lean Six Sigma Green Belt AIGPE Exam
Questions With Verified Solutions
Inferential statistics - answerProcedures used to draw conclusions about larger populations
from small samples of data.
7 Basic tools of quality - answer1. Fishbone (Cause-and-Effect) Diagrams
2. Check Sheets
3. Process Ma...
Lean Six Sigma Green Belt AIGPE Exam Questions With Verified Solutions Inferential statistics - answer✔✔Procedures used to draw conclusions about larger populations from small samples of data. 7 Basic tools of quality - answer✔✔1. Fishbone (Cause -and-Effect) Diagrams 2. Check Sheets 3. Process Maps (SIPOC) 4. Histograms 5. Pareto Charts 6. 5 why analysis 7. Run chart SIPOC (Process Map) - answer✔✔Supplier Inputs Process Outputs Customer Used for: Defining the boundaries of the process and the exact scope of process improvement Chec k sheet - answer✔✔Structured template used to collect data at the location where the data is generated in real -time. Used: Whenever data is collected repeatedly. Useful for collecting data when not available from a system or other pre -existing source. Histogram - answer✔✔Displays numeric data in the form of bars in a chart. Data is shown sequentially, with bar height representing the size of each group. Used for: Highlighting the category with the highest number of data points and enabling the viewe r to see the spread or variation in the data at a glance. Used when: Analyzing numeric data. Pareto Chart - answer✔✔Simple bar chart that ranks related measures in decreasing order of occurrence. Used for: Identifying the most significant potential root -causes of problems. Used when: Analyzing frequency data relating to problems, causes and categories. Fishbone diagram - answer✔✔A brainstorming tool used to draw out possible causes for an effect. Used fo r: Associating and representing causes for an effect in one diagram. Used when: After data has been collected. 5 why analysis - answer✔✔Iterative probing technique used to get to the root -cause of a problem. Used in conjunction with the fishbone dia gram and helps uncover the root causes of performance issues. Run chart - answer✔✔A line chart that visually displays data over a period of time. aka "Trend" or "Time Series" chart. Used for: Identifying process variations, patterns or trends that may exist in data, aiding in identifying potential performance issues. Used when: You want to understand how your process has performed over a certain period of time. Quartiles - answer✔✔Measure of central tendency that divides the data into 4 equal parts. The difference between the upper quartile and lower quartile (75%/25%) is known as the interquartile range. Standard deviation - answer✔✔Average distance of all data points from the mean of the data set. =stdev(xy:xy) Variance - answer✔✔Square of the standard deviation =var(xy:xy) Process Baseline - answer✔✔Average, long -term performance level of a process when all input variables are unconstrained
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