Lec 17 STM3633 sem 1 24-25 11.12.24

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An assignable cause of variation in Statistical Process Control (SPC) is:

• A natural, random fluctuation

• A predictable pattern of variation

• A specific, identifiable factor

• human observation errors

A common cause of variation in SPC?

• predictable and consistent.

• natural, random variation

• sudden and unpredictable

• external environmental factors.

The primary purpose of using a control chart in the Control phase of DMAIC is:

• To eliminate all forms of variation

• identify and monitor variation

• calculate the total output

• increase production speed

The purpose of using a Fishbone (Ishikawa) diagram in DMAIC is:

• display process performance

• rank defects

• calculate process capability

• identify the root causes

the main difference between Inspection and Statistical Process Control (SPC) is

• Reactive vs Proactive

• Detect vs Control

• Product vs Process

• After vs Before

Which of the following is NOT one of the 7 basic tools of Statistical Process Control (SPC)?

• Control Chart

• Fishbone Diagram

• Histogram

• Gantt Chart

Pareto Chart in SPC is?

• display the relationship

• prioritize problems based on frequency

• identify the root causes

• monitor the performance

The purpose of a (a)   Chart in SPC is to prioritize problems based on Frequency or Impact.

A (a)   is one of the simplest graphical tools to visualize variation and display the distribution of a process.