Xbar-R and Xbar-s chart: Detailed illustration with Practical Examples
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- เผยแพร่เมื่อ 1 ก.ค. 2024
- Get Clarity On All Statistical Process Control (SPC) Tools With Practical Examples at vijaysabale.co/spctools
Hello Friends,
In the series of control chart creation, I am going to explain the Xbar-R chart and the Xbar-S chart in this video. Both of these charts are used for variable data.
An Xbar-R chart plots the process mean (Xbar chart) and process range (R chart) over the period of time for variable data in the subgroup. This combination control chart is widely used to examine the stability of processes in many industries. In the case of the Xbar-S chart, the Range chart is replaced by the Standard Deviation Chart.
This video consists of the following topics:
✅ Introduction of Xbar-R Chart and Xbar-s Chart
✅ When to use Xbar-R Chart
✅ Create Xbar-R Chart with Practical Example in Minitab
✅ Interpretation of Xbar-R Chart with Practical Example in Minitab
✅ When to use Xbar-s Chart
✅ Create Xbar-s Chart with Practical Example in Minitab
✅ Interpretation of Xbar-s Chart with Practical Example in Minitab
✅ Comparison of Xbar-R Chart and Xbar-s Chart
I am sure, you will like it.
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0:00 Introduction of Xbar-R Chart and Xbar-s Chart
1:00 When to use Xbar-R Chart
2:19 Create Xbar-R Chart with Practical Example in Minitab
3:19 Interpretation of Xbar-R Chart with Practical Example in Minitab
4:57 When to use Xbar-s Chart
5:16 Comparison of Xbar-R Chart and Xbar-s Chart
5:31 Create Xbar-s Chart with Practical Example in Minitab
5:43 Interpretation of Xbar-s Chart with Practical Example in Minitab
And finally, thank you for watching…
#ControlChart #ControlChartWithExample #ControlChartInMinitab #QualityControlTools #QCTools #QCToolsWithExample #7QCTools #7QualityControlTools #QualityControlToolsWithExample #ControlChartConcept #InterpretationOfControlChart #TypesOfControlChart #SPC #StatisticalProcessControl #SpecialCause #CommonCause #ControlLimits #SpecificationLimits #XbarRChart #XbarSChart #LeanSixSigma #NelsonRules
very nice sir... explained in simple & well structured way... good editing as well... keep on uploading such videos.... Thanks
Thanks for your efforts. Really appreciate your dedication in disseminating the knowledge!!!
Thank you for your valuable comments...
Thank you very much for your clear explanations!
Thank you so much for your valuable comments and appreciation 🙏☺
Very well explained. Thank you for your efforts. 👍
Thank you for your valuable comments..
Thanks man this is really helping me through collage
That's great!
Thank you so much for your valuable comments and appreciation!
Thanks for the information, perfectly explained
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Nice explanation. Thanks 😊
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thank you for this useful video.
You're welcome!
Thank you for your valuable comments and appreciation! 🙏☺️
Well explained. Thank you
Thank you so much for your valuable comments.
Please share it with your friends and colleagues.
Thanks...Found it helpful
+Milton Jomo Chirwa
Thank you for your valuable comments.
thank you! The video is great! It would be much appreciated if you could add caption in your video!
Thank you for your valuable comments..
The captions take a wrong spellings many times, but I will try it..
Thank you so much..!
Thank you for your valuable comments..
Great job 👍🏻
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Useful information sir
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Very helpful ✅
Thank you so much for your valuable comments and appreciation 🙏☺
For samples collected on same day but at irregular intervals and from different locations does it fall in subgroup sample or no subgroup sample?
No, it's not the subgroup.
Thank you for your valuable comments.
As i could see , p chart & u chart has been explained , but i could not find the c & Np chart explnation any where . Do we have the same however.
The only difference between charts is with fixed and variable sample size. Both are also get cover in in p and u chart.
Respected
Good instructions
3.30 that means every point in chart represents (3 Samples)?
Thank you so much for your valuable comments and appreciation 😊🙏
Yes, every point is represent a subgroup of size 3 in this example.
very well expalined. Kindly tell me how to develop xbar s chart for preassessment, PDSA 1, 2, 3, 4 in one chart and how to interpret them all together
+Geetanjli Kalyan
First of all, thank you for your valuable comments Geetanjli.
I think from the video Xbar-S chart must be clear to you.
We can draw Xbar-S chart when data is continuous, collected in subgroups and subgroup size is more than 8.
Now, as you had asked for Pre-assessment and PDSA (Plan-Do-Study-Act) along with this control chart, it will be having 3 phases of the same control chart.
1st phase, we can called it as a "Baseline data". In this phase, we draw the Xbar-S chart, we can refer it as a "Pre-assessment".
2nd phase is about "Post intervention data". In this phase, which indicates effectiveness measurement of actions we had taken by following Plan-Do-Study-Act or in other words, Study the impact and then plan further actions. This will continued till we get the desired results.
And the 3rd phase is about "Continuous monitoring" to ensure presence of assignable cause immediately and correct it.
+LEARN & APPLY
I think, I have answered your questions.
Let me know your feedback.
And thank you again for your such an important query as well as support to my channel.
I want to understand the Gage R&R study and how to interpret the graphs .Please upload Gage R&R video
Thank you
+Chintan Morye
Thank you for your valuable comments Chintan.
As you can see, I am covering tools and techniques sequentially to understand Six Sigma in deeper way.
I will be explaining MSA in Measure phase videos.
Is it okay?
I would like to know what should I do if the subgroup sizes are unequal?
Thank you for your appreciation and valuable comments. In that case, please add all subgroup sizes in one column and select the column containing subgroup sizes in subgroup size tab.
Thanks
Thank you for your valuable comments.
Sir.. The subject was very well explained..
I wanted to know what application do you use for making such videos.. I, myself being a tutor of A level mathematics, wanted to make such innovative videos for better understanding of the students.
Would it be a problem if you tell me that??
First of all, thank you for your valuable comments. It is very nice that you want to share your knowledge.
It's " VideoScribe".
Thanks a lot sir. ☺️
great....
Thank you for your valuable comments and appreciation! 🙏😊
sir, is there any bibliography to read for further informations ? please add the link below, thank you
vijaysabale.co/spctools
Hi
This is great tool to create video . Can you share the name of tool used .Great video too.
+Ashish Ranjan (Last Mile Quality-North)
Thank you for your valuable comments.
This is Videoscribe.
Please share these videos in your entire group improve their life at professional level.
Please show us how to create the Xbar-R and Xbar-S chart using Microsoft Exel!
Thank you so much for your valuable comments. I will do it in my future videos, once the current topic is covered.
I was under the impression that XBar-R charts were for constant subgroup sizes between 2&10. Is this not correct? Is this a recent change in Lean? please advise. My current course material has that range listed.
Thank you for your valuable comments.
You can use Xbar-R charts for subgroup size up to 8 and use of Xbar-s chart will be more accurate for subgroup size more than 8.
Using Xbar-R chart for subgroup size 9 or 10 won't be wrong, but Xbar-s chart will be more accurate, logic is same as that of difference in Range and Standard deviation...
Please let me know if you need any further details...
Dear Friend, I want to ask some question about QC charts? I want to show stability on batch to batch samples with QC charts. Can you help me?
Sure, can you please elaborate it in detail?
Are you collecting data in subgroup?
What is your data type?
How to plot x-bar chart for subgroup size is 1?
Please put the subgroup size as 1 in that case.
Why is X bar value different in X bar R and X bar S charts? Please explain.
Both are same..
this is good.. some of your videos are bit faster..... some critical subject try to slow down....
Ok, thank you so much for your valuable comments
You can adjust playback speed...
how to calculate stable mean??
Thank you for your valuable time.
But didn't get your question?
Good...Can we share to my facebook pages ?
+Ramkumar Sathasivam
Thank you for your valuable comments.
Absolutely, you can share it with your entire group. I have started this channel to share knowledge and thereby improving lifestyle of people at professional level.
Please share it as a TH-cam link.
Please add the eng sub 🙏🙏
Ok, thank you so much for your valuable comments 😊
I can tell this is a great and informative video, but I cannot understand what you're saying
Thank you for your valuable suggestions.
Can I add subtitles for this video?
Awaaj Kam hai...
Please remove the background music
Thank you for your valuable comments. Let me check if I can do it.
Sir thank you so much for this video sir I wall subscribe what is your email?
Thank you so much for your valuable comments and appreciation!
info@learnandapply.org
@@learnandapply I am wondering how can I make my time plot graph neater? the data looks too fit together