Common Probability Distributions

 1. Normal Distribution:​Where:μ  = Meanσ  = Standard Deviationπ ≈ 3.141e ≈ 2.718​2. Binomial Distribution:​Where:p = Probability of successq = Probability of failure =  1−p​n = Number of trialsP(x) = Probability of x successes in n trials​3. Poisson Distribution:​Where:m = Probability of successP(x) = Probability of x successes.

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Preventing Six Sigma Failure

Why do Six Sigma projects fail? When we say fail, we mean why the projects don’t achieve the objective which they were supposed to accomplish? There are various reasons for the project failure. However, the following are the top six reasons. 1. Lack of Management Support: The first reason or the prime reason for Six […]

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Value Added vs Non-value Added Activities

​Introduction​When it comes to running a successful venture, one of the most important things to do is ensuring that you add value to all your activities. Whether you are organizing a charity sale or starting a service business you want to ensure that whatever you offer is actually worth your customer’s investment.Many people know about […]

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Top Three Measures of Central Tendency

Three commonly used measures of central tendency are: Mean, Median and Mode. 1. Mean: Mean is also commonly known as the average, e.g., the average income of the country, the average height of people, etc. The mean is the most commonly used measure of central tendency. Formula: Example: Find the mean of 10, 11, 14, […]

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Six Sigma and Change Management

Improvement project always lead to some change.  You cannot improve something by maintaining the status quo. People don’t like change, people like status quo. If anything changes people get disturbed. As a Six Sigma project leader, you need to understand how to manage change. Your ability to management change will decide the success or the […]

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Edwards Deming Quotes

Edwards Deming” ​Mere allocation of huge sums of money for quality will not bring quality.” Mere allocation of huge sums of money for quality will not bring quality. ~ Edwards DemingHappy customer that comes back for more is worth 10 prospects. ~ Edwards DemingFailure of management to plan for the future and to foresee problems has […]

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Six Sigma Black Belt Question Bank ASQ CSSBB Exam

10 Random Questions   Other sources: ASQ CSSBB Online Exam Preparation Course – Special Discount Link ASQ CSSBB Exam Sample Question Bank pdf   00 Days 00 Hours 00 Minutes 00 Seconds ​100% ONLINE TRAINING​Certified Six Sigma-Black Belt ​Get the $200 Udemy best selling ​course for $40.Based on ASQ CSSBB exam Body of Knowledge.​Pass ASQ […]

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ISO Full Form: About ISO

​ISOThe full form of ISO is “International Organization for Standardization”. The name, “ISO” is not an acronym but was derived from the Greek word “isos” meaning “equal”. (The relation to standards is that if two objects meet the same standard, they should be equal.) This name eliminates any confusion that could result from the translation of […]

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Become a Certified Quality Engineer (CQE)

Passing ASQ ​CQE Exam with Confidence Eligibility:Exam Details:​CQE Exam Passing Score:Body of Knowledge:​Suggested Study Material: The Certified Quality Engineers (CQE)  are professionals who understand the principles of product and service quality evaluation and control. This is one of the oldest certification (and the difficult to pass the exam) offered by ASQ. The exam consists of 175 […]

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Six Sigma = 3.4 DPMO … Why?

I have often been asked, why do we have 3.4 Defects Per Million Opportunities (DPMO) for a Six Sigma process? Before I talk about Six Sigma, let’s talk about the process control with plus-minus three sigmas. Historically processes were controlled in ​, and this was the basis of control charts. When you have a process, which is […]

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Five Whys and Two Hows to Understand a Problem

5W2H stands for Who, What, When, Where, Why, How, How Much Some places you find reference to 5W1H. This includes Who, What, When, Where, Why and How.Application (When to use?):5W2H is an information-gathering technique. It helps in understanding the problem.Steps / Example:Who provides you this information?What do you do after getting the required information?Why you made […]

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