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Six Sigma Questions and Answers (Q&A)

What is not a Measure of Central Tendency in the following graph?
Anika Nicole, Wordsmith
Answered: Jul 10, 2018
Geometric Mean is not a Measure of Central Tendency. There are three types of Measures of Central Tendency. Let's talk about them one-by-one: 1. Arithmetic Mean: It is the total sum...Read More

4 Answers

2235 views
What is the correct sequence of Six Sigma Process improvement approach?
E.Susan
Answered: Apr 23, 2018
The answer is A. 2, 5, 1, 4, 3, Define, Measure, Analyze, Improve, Control
Six Sigma is a disciplined, data-driven approach and methodology for eliminating defects (driving toward six...Read More

4 Answers

1152 views
What is the tolerance of the process that exhibits the limits of normal variation?
L.Steven
Answered: Jan 07, 2018
The standard deviation is actually a mathematical representation of how spread out the numbers is. If you need to calculate it, it is the square root of the variance. Now variance is basically...Read More

3 Answers

852 views
What does seven consecutive points on one side of the mean on a control chart in six sigma indicate?
Minaxis
Answered: Jan 27, 2017

3. The process needs to be checked for special causes

2 Answers

819 views
What is one of the most common measures of variability in a data set or population?
H. Martin, Content Writer
Answered: Sep 20, 2018
The answer to this is A. The process capability signifies that there are different materials, tools, methods, and so much more that are being done in order to get the right information. Take note...Read More

2 Answers

763 views
What are the disadvantages of using a median in six sigma?
W. Pratt, Marketing Analyst
Answered: Jan 29, 2019
A median is the central point of data arranged on a scale of some sort, oftentimes a scale of numbers. For example, the median of this set of numbers {2,5,10} is 5. Finding the median means...Read More

3 Answers

567 views
Which Role is traditionally performed by a Green Belt?
Wyatt Williams
Answered: Jan 08, 2025
Coach and mentor other Six Sigma Practitioners

1 Answer

486 views
Where from the Risk Priority Number (RPN) in an FMEA exercise is derived?
Bobby Rickets, Content Reviewer
Answered: Jun 20, 2019
The correct answer to this question is Severity x occurrence x risk. FMEA stands for failure mode and effects analysis. This analysis analyzes any problems that may occur and the impact they may...Read More

2 Answers

479 views
What will be the mean, median, and mode of the following sample?
M. Krasinski, Content Writer
Answered: Jul 20, 2018
Based on the given, the answer to this question is 4, 5, 5. In order to compute the mean, all of the data should be added together. The sum will then be divided by the total number of figures...Read More

2 Answers

449 views
What is most likely to happen to a process operating at 6 Simga?
Jason B. Elster
Answered: Apr 20, 2018
We can expect 3.4 defects per million opportunities.
.4 ppm means that the opportunities or likelihood that the product/process will fail is 3.4 in a million. like for an instance when you...Read More

5 Answers

396 views
What is process capability (Cp and Cpk)?
W. Mocroft, Philanthropist
Answered: Jan 25, 2019
The Process Capability is also known as CP, CPK. This signified Process Capability Index. This is a statistical measurement that is used in order to figure out the ability of the process to occur...Read More

3 Answers

391 views

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