The Transformation Function: Y = f(X)

Six Sigma is focused on improving the performance of processes.  In simple terms, processes have inputs, activities, and outputs.  The process activities transform the inputs that come from suppliers into a product or service that is delivered to a customer. Consider baking a cake.  The inputs are ingredients such as eggs, flour, milk, butter and […] read more

Data Analytics 101 for BA’s, PM’s and Six Sigma Practitioners

Data analysis is growing by leaps and bounds. More and more, business analysts, project managers, and Six Sigma practitioners have access to more data. The key is how to derive useful information from the raw data. That is where data analytics comes in. TRUISM! Raw data is not fit for human consumption, but the information […] read more

Data Stratification

Six Sigma is a fact and data based approach to problem solving.  After we have defined a gap in performance and have collected data about the performance of a process, we need to analyze the data to find the root cause or causes of the problem.  Data stratification is a tool that we can use […] read more

On December 21st, 2014, posted in: Articles, Six Sigma by Tags: ,

Issues in Data Collection

There are a number of issues that we must consider when collecting and using data for analysis purposes.  One of those issues is the Hawthorne Effect, also referred to as the observer effect.   This is a phenomenon where individuals change their behavior because they know they are being observed or watched.    The term was coined […] read more

On December 8th, 2014, posted in: Six Sigma by Tags: ,