The previous post described Part A of the Distribution Center On-Time Delivery Example. Continue reading Distribution Center On-Time Delivery Example (Part B)

# Category Archives: Statistical Thinking

# Example Illustrating Four Variation Types

The Customer-Complaint-Process Example illustrated two types of variation, i.e., special and common cause. The example, taken from Britz, Emerling, et (2000, p. 29), in this post illustrates four types of variation, i.e., Continue reading Example Illustrating Four Variation Types

# Statistical Thinking and Statistical Methods

Statistical Thinking gives a framework for learning and action to improve performance. We initiate the application of Statistical Thinking by identifying, documenting and defining the business process. Continue reading Statistical Thinking and Statistical Methods

# Observations Based on the Customer-Complaint-Process Example

The previous blog post describes an application of Statistical Thinking to increase customer satisfaction by examining the processes starting with the raw material supplier and ending with the customer use of the product. This example illustrates important features of Statistical Thinking described by Britz, Emerling et al (2000). Continue reading Observations Based on the Customer-Complaint-Process Example

# Customer-Complaint-Process Example

Britz, Emerling et al (2000, p52) describe an application of Statistical Thinking that illustrates the following: the first principle, “All work consists of interconnected processes”, two types of variation, and shows the application of statistical methods to improve quality. Continue reading Customer-Complaint-Process Example

# Effect of Variation on Process Flow Times

The principal performance measure in the Monthly Billing Time Example was the total cycle time to prepare customer bills at the end of a month. How important is variation in systems that have a flow-time or cycle-time performance measure? Continue reading Effect of Variation on Process Flow Times

# Principles Illustrated by Monthly Billing Cycle-Time Example

The previous blog post illustrates several key features of Statistical Thinking. One of these features is that Statistical Thinking is a philosophy of learning and action. Continue reading Principles Illustrated by Monthly Billing Cycle-Time Example

# Monthly Billing Cycle-Time Example

Britz et al (1996, p4), Britz et al (2000, p7), and Hoerl and Snee (2002, p3) all describe the same example of an actual application of Statistical Thinking at a large corporation. Continue reading Monthly Billing Cycle-Time Example

# History of Statistical-Thinking Definition

Britz et al (1996) assign Deming’s Theory of Profound Knowledge as the original source of our definition of Statistical Thinking. Profound Knowledge has 4 parts: Continue reading History of Statistical-Thinking Definition

# Background and Motivation for the Statistical Thinking Blog

In January 1994, the Statistics Division (Britz et al, 1996) adopted a tactical plan to Enable Broad Application of Statistical Thinking. Continue reading Background and Motivation for the Statistical Thinking Blog