Category: Concepts
Attribute Data: Quantifying the Qualitative
Published:You will often see attribute data and discrete data being used interchangeably. At some level, they are similar. But, if we dive a little deeper, you’ll see that there’s a bit more distinction than meets the eye.
Read more »Process Time: Boosting Efficiency
Published:Process time is the time it takes for one or more inputs to be transformed into a finished product or service by a business process.
Read more »Exploring the Path to Achieving World-Class Quality
Published:Achieving world-class quality isn’t something every organization can do, because so much of what makes it possible cannot be taught. It boils down to mindset and certain character traits that some people have, some people don’t. Do you?
Read more »The Non-Conformance Process: Five Vital Steps to Rectify Issues
Published:The definition of non-conformity is provided and then described with examples of what non-conformities involve, giving examples of the process approach to facilitate the management of the non-conformities.
Read more »Predicting Success: A Comprehensive Guide to Trend Analysis Tools
Published:Do you possess a crystal ball to see what the future brings for your organization? Probably not, but you do have a statistical version of a crystal ball by using trend analysis.
Read more »Quality Operating System (QOS): Delivering Constant Quality
Published:With increasing competitive and market pressures, understanding customer requirements and delivering high-quality products, processes and services has never been more important. By implementing a Quality Operating System, you can ensure that quality improvement is every employee’s responsibility and focus.
Read more »Predetermined Motion Time System (PMTS): Maximizing Efficiency and Productivity
Published:A predetermined motion time system can be useful for everything from estimating labor costs to balancing production lines. It is a concept worth exploring for its myriad applications.
Read more »Understanding Rejectable Quality Level: Key Concepts and Applications
Published:When it comes to sampling plans, there are some terms that are absolutely crucial to be aware of. These are Acceptable Quality Level (AQL), Indifference Quality Level (IQL), and Rejectable Quality Level (RQL).
Read more »I-MR Chart: Understanding Your Process Stability
Published:The Individuals-Moving Range (I-MR) Chart is one of the most widely-used control charts in statistics and the standard for most situations where data was collected in individual data points. It allows such a process to be assessed for stability both in terms of central tendency as well as variation.
Read more »NORMSINV: Use Microsoft Excel for Your Analysis
Published:NORMSINV is an Excel function that provides the INVERSE of the cumulative standard normal distribution. Let’s learn how it works.
Read more »SCOT Analysis: Gain Insights for Your Organization
Published:You need to know more about how to know more about your company. Good analytical practices shape your strategic thinking, which determines your entire future.
Read more »Warning Limits: Catch Outliers in Your Production
Published:Lean business operations don’t happen without defining expectations, collecting data and monitoring results. Statistical limits serve your streamlining goals through efficiency quality control and loss prevention.
Read more »Root Cause and Failure Analysis (RCFA): How to Fix Production Issues
Published:In a fiercely competitive market reacting swiftly to product or process failures, determining the true root cause and implementing change limits financial and reputational damage. Utilising root cause and failure analysis methodology is your gold standard for robustly preventing future failures.
Read more »Exploring the Null Hypothesis: Definition and Purpose
Published:The null hypothesis, written as Ho is a subset of the larger topic of Hypothesis Testing. The null hypothesis is a statement about a specific condition of your data and allows you to draw important conclusions about that data.
Read more »Platykurtic Distribution: Working Beyond Normality
Published:Not all your data will have a normal distribution. Sometimes, the curve is taller or shorter than a theoretical normal distribution. Does that mean you have a problem? We can answer that question by learning a little bit more about kurtosis and the platykurtic distribution.
Read more »Identifying and Managing Special Cause Variations: Dealing with the Unexpected
Published:When it comes to variance, there are two main types to consider. These are common cause and special cause. Common cause variations usually do not pose much of a problem. Special case variations are another story.
Read more »Confidence Bands: An Essential Tool for Statistical Analysis
Published:The concept of a confidence band is usually associated with regression analysis. We will also explain why a confidence band is not the same as a confidence interval.
Read more »Using Voice of the Process to Identify Critical Processes for Improvement
Published:Are you hearing voices? If it’s in a business context, then there is nothing to worry about — and it might even be a good thing. Let’s listen in to the voice of the process and hear what it has to say.
Read more »How Kaizen Events Drive Continuous Improvement
Published:With your business, sometimes a need arises to address an issue swiftly and with all hands on deck. A Kaizen Event is meant for these kinds of times.
Read more »Engineering Change Request (ECR): Preparing for Change
Published:While you hope everything goes smoothly and as planned, sometimes you have to make a change in your existing product or product design. The engineering change request is the form you use to initiate the changes.
Read more »Design Risk Assessment: Minimize Problems Before They Begin
Published:Design risk assessment is a risk assessment framework that identifies, analyzes, and documents risks during a design project. When performing a design risk assessment, the team will assess all risks associated with the project including the design process.
Read more »The Difference Between Correction and Corrective Action in Business Problem-Solving
Published:Problems are going to arise in business, but the companies that succeed in the long term are those that find the true causes of those problems and find ways to keep them from happening again. When an issue occurs, the inclination is to stop it quickly. While this is fine, it is important […]
Read more »Mastering the T-Statistic: Tips and Tricks
Published:You may think turnaround time has decreased from your baseline as a result of a process improvement. But has it really? The t statistic is one way to find the answer to that question.
Read more »The Role of Multi-Generational Product Planning in Business Growth
Published:“So much to do, and so little time to do it” might be a good way to describe multi-generational product planning, or MGPP. Sometimes it makes sense to stage your improvements over a longer period of time.
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