I-MR Control Chart: Detailed illustration with Practical Example

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Hello Friends,
All the concepts related to the control chart are clear to us in the last 03 videos. Now, let’s start with the creation and interpretation of control charts from this video.
We had seen mainly 03 charts that are used in the case of Continuous data. These are the I-MR chart, Xbar-R chart, and Xbar-S chart. In this video, I am going to explain the I-MR chart with a practical example for easy understanding and better clarity.
This video consists of the following topics:
• What is I-MR Chart?
• When to use I-MR Chart?
• Create I-MR Chart with the help of Practical example in Minitab
• How to interpret I-MR Chart and next actions with the help of Practical example in Minitab
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And finally, thank you for watching…
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[@sharonsharose]

Thankyou so much for the explanation, this is so helpful

[@learnandapply]

Thank you so much for your valuable comments..

[@megariapalumpun4780]

it seriously helpfullll. thank you so much :)

[@learnandapply]

Thank you for your valuable comments...

[@davidr.6208]

Thank you for very good explanation.

[@learnandapply]

Thank you so much for your valuable comments and appreciation!

[@malakafernando1410]

Great indeed

[@learnandapply]

Thank you for your valuable comments.. Please share it with your friends and colleagues.

[@gopichattu5679]

Thank you sir it is very helpful to me

[@learnandapply]

Thank you for your valuable comments..

[@danaluna9179]

I had read about this chart in the SPC AIAG Book, but it was not clear, now with this video it is very clear, thank you!

[@learnandapply]

Thank you so much for your valuable comments.. Please share it with your friends and colleagues..

[@zlatkomatic8741]

Can you please explaing difference between I-MR and Levey-Jennings chart for individual X measurements? Especially in regards to use cases and methods/formula to calculate standard deviation and control chart limits?

[@Amplifyurmoney]

Explain in very nice way

[@learnandapply]

Thank you for your valuable comments and appreciation! 🙏😊

[@zlatkomatic8741]

How process capability/performance is calculated in case of I-MR chart i.e. individual X measurements?

[@vaibhavbarge9543]

Nice👌👌

[@wilsonpadi]

Great video sir. Clear and concise. Is the process out of control if either of the charts upper (I) or lower (MR) includes special causes? If there is no special causes identified in upper (I chart), but special cause is identified only in lower (MR), will the process still be considered out of control? Can you please clarify.

[@learnandapply]

Thank you for your valuable comments. For interpretation of charts, you have to look first for MR chart. If it doesn't show any special cause, then go for I chart. But if MR chart shows the special cause, your process is not stable and need to investigate it. You should not go for I chart if MR shows presence of special cause.

[@rajashreeupadhyaya7111]

very helpful

[@learnandapply]

Thank you so much for your valuable comments 😊🙏

[@abdulazizahmed1520]

Can u plz discuss the proficiency testing

[@lingamvicky6061]

Hi how to calculate Control limit on the MR chart? I have found the multiplication by 3.27, but what is that no?...

[@learnandapply]

Thank you for your valuable comments. This is the value of D4 for calculating control limits by manually. But, I will prefer to use available softwares and excel to save time and you can focus on other important things rather than thinking on " How it is?". Nowadays, we prefer to use calculator instead of calculating it on paper.

[@MyFatherNumber1]

What to do if the MR chart is out of control?

[@learnandapply]

That is an indicator that your process variation is not in control. Investigate the out-of-control points and take action on them.

[@roshan4969]

sir we have no minitab at home can u please make video in excel it will helpful for us please

[@learnandapply]

Thank you for your valuable comments. I will do that, but Excel has it's limitations. Many of these analysis cannot be conducted in Excel. I am trying to mention it in Excel also, where it can be done.

[@roshan4969]

@@learnandapply thanks

[@sridharsri5050]

What should be the minimum sample size to perform this test? What if I have a USL AND LSL.? How I can interpret the results using speciation limits

[@learnandapply]

You must have a sample size of around 20 to use the I-MR control chart. Please compare your control limits with specification limits for interpretation.😊

[@WahranRai]

Did you know that special effect distracts attention and diminishes understanding. It is like NOISE Your video must concentrate and explain the subject and showing that you know how to add effects !

[@learnandapply]

Thank you for your valuable comments and suggestions. I had already worked on it. If you can see my latest videos to help me whether it has improved, that will be great for me.