Analysis Basics

26 important questions on Analysis Basics

What are the tools when: Getting to know the process as it actually happens?

Process mapping
Value Stream Mapping
Time value maps
Value add charts
Seven Wastes
Spaghetti Diagrams

What are the tools when: Understand which process inputs are critical to customer requirements

Cause and effect Matrix

What are the tools when: Investigate a defect to understand its root cause

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What are the tools when: Assessing what could go wrong and where

Failure mode and effect analysis FMEA

What are the tools when: Understanding what does go wrong in the process and where

Affinity diagrams
Measles chart

What are the tools when: Identifying possible root causes

Brainstorming

What are the tools when: Structure possible root causes in a logical manner

Fishbone / Cause and Effect diagrams
Also called Ishikawa diagram

How is the "swim-lane" or Cross Functional Process Map useful?

It is great for structuring your process map
Detailing which departments own which process
Identifying key handover points

What are the two types of VSM?

Current state and Future State

What is the symbol for a Decision/Inspection point in process mapping?

Diamond

What is the symbol for Direction of Flow in process mapping?

Arrow

Symbol for Start/End in process mapping?

Oval

Symbol for Connector in process mapping?

Circle

What is the delay symbol in process mapping?

Check image

What are the five laws of LEAN summarized?

1. Priority should be placed on providing the customers' needs
2. Processes should be flexible in order to provide products and services faster
3. Focussing on key time traps will create a significantly faster process
4. Work in Progress is a key enemy. It slows down processes, costs money, and hides quality problems
5. Unnecessary product complexity should be avoided, but we still need flexible processes that can produce complex products and services that are customizable to individual customers.

What are the Seven Wastes?

Overproduction: Make more than the customer requires
Waiting: Any time that products are waiting
Transporting: Moving things when it is not necessary
Over-processing: Adding too much value which the customer does not require 
Unnecessary inventory: Holding and creating excessive inventory cost money and creates lead time
Unnecessary Motion: Needless movements on an ergonomic level. NOT to be mistaken with Transporting! Can lead to health and safety issues.
Defects or Errors: Clearest waste of all, simply needs replacement.

What are the four new wastes?

Wasted human potential: hierarchical cultures waste significant skills and expertise
Wasted energy: The awareness of how efficient we are with energy
Pollution: The producer will have to pay for polluting, raising importance
Wasted Space: Customers are becoming more aware of scarcity in space, wastage of it they will not pay for.

What are the three wastes in the Service Perspective?

Delay in Provision: Time is an important element of value
Incorrect inventory: Wrong inventory or being out of stock can costs customers
Duplication: Services rely on correct data, double data costs more time therefore money

What is a Spaghetti Diagram?

It is a simple tool to highlight process waste (excessive transportation) by mapping the actual route of a particular resource through a physical environment.

What is a Cause and Effect Matrix?

C and E Matrix is great for creating an overview of the relationship between process inputs and process outputs (customer requirements)

What is a Fishbone Diagram?

Used during brainstorming to identify root causes. Can also be used throughout the analysis phase to structure the team's thoughts.

What is an Affinity Diagram?

Affinity Diagrams help to identify key categories within textual data, such as the key types of failure in a product or service or the key issue contained within feedback forms.

Basically, you have a lot of disorganized data
To make this organized you create clusters where you put the data in (named cluster)

What is a Measles Chart?

It is a practical tool for collecting data that helps when analyzing the location of failures in a product or process.

What does FMEA do exactly?

It is used to highlight the aspects of a product or process that should be targeted for improvement (without any failures actually occurred)

What are the two types of FMEA?

Product FMEA: Analyze the function, design and potential failure of each component of a product.
Process FMEA: Analyze the key outputs and potential failures of each step of a process, and consider the effect of process failure on product or service concerned.

What are the key components of a FMEA?

1. Identify process steps or components
2. For each step list the different failure modes, and rate their Severity
3. For each failure mode, consider the potential causes that might cause the failure and rate their Occurrence
4. For each cause, consider the controls in place that are there to prevent it from happening. Rate the likelihood of Detection.
5. Calculate the Risk Priority Number (RPN) for each potential failure. This is done by: SEV X OCC X DET
6. Act on the results, start with the highest RPN!

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