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Learn

Module overview

Common and special cause

Choosing a chart

X-bar and R

X-bar and S

I-MR

Charts for counts

Running a chart in Minitab

Example 1: calls on hold

Example 2: car sales

Example 3: defect proportion

Example 4: help desk

Example 5: yarn defects

Example 6: call compliance

Sustainability lens

Practise

Control chart practice: question 1 of 10

Control chart practice: question 2 of 10

Control chart practice: question 3 of 10

Control chart practice: question 4 of 10

Control chart practice: question 5 of 10

Control chart practice: question 6 of 10

Control chart practice: question 7 of 10

Control chart practice: question 8 of 10

Control chart practice: question 9 of 10

Control chart practice: question 10 of 10

Review game

Control charts crossword

Chapter 23 of the Green Belt handbook covers advanced control charts. You will choose between X-bar and R, X-bar and S, I-MR, p, np, u and c charts, run them in software, read the signals, and tell common cause from special cause.

Control Charts: Choosing and Reading the Right Chart

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