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Applicable Statistical Analysis Method for this Data

J

julia_mosh

#1
Dear all,

need your help.. what is the statistical analysis applicable for gthe available data below:
DateOrderedShipped Rejected1-May505549532-May501554515-May492543556-May509564547-May490544488-May499547539-May4875404312-May4945375413-May5185725514-May4835383915-May4815204116-May4795205219-May4805325720-May4885454621-May4965425622-May4755315723-May4985554926-May4815304927-May4845333828-May4865245229-May5045564830-May48553359

need your inputs, thanks! :bigwave:
 

Steve Prevette

Deming Disciple
Staff member
Super Moderator
#2
Your data stream is pretty unrecognizable in your post, but I do see there is a "shipped" and a "rejected" so I assume you are interested in the reject rate?

One approach would be to plot the percent rejected using a p-chart control chart, if that is indeed what you are after.
 

Bev D

Heretical Statistician
Staff member
Super Moderator
#3
the appropriate statistical analysis depends on teh data type and what your question is.

are you looking for the current defect rate? are you looking to see if an action cause and improvement? ar you looking to see if things have gotten worse?

if you could post your data in an excel spreadsheet and tell us a bit abotuthe process it represents we can give you more specific and useful advice...
 
J

julia_mosh

#4
everyone, thanks for the suggestions.... this is just a class activity...
see below scenario:

i dont know how to analyze those data...
those data are shipped and rejected at customer, where in fact, 100% inspection was performed on the shipped samples, inspection cannot replicate at customer side because the manufacturer and customer haven't met.



any idea please... :bigwave:
 

Bev D

Heretical Statistician
Staff member
Super Moderator
#6
Julia- is OK that it's a class project but your data is all 'compressed' like a run on sentence. We can't do anything with it until it's in a format where we can see the individual data points.

can you post the data in EXCEL?
 
B

Barbara B

#8
Thanks for the data, that helps a lot.

Further questions came to my mind:
  • Do you have (another) file where the type of complaints are given for each day? Or is it just an analysis "customer complaints" vs. "customer doesn't complaint"?
  • What software do you want to use for the analysis? Excel? Minitab? ...?
  • What is the main problem statement for this classroom project? (too much rework, customer satisfaction low,...)
  • Is this from a green or black belt course?
 
J

julia_mosh

#9
Further questions came to my mind:
  • Do you have (another) file where the type of complaints are given for each day? Or is it just an analysis "customer complaints" vs. "customer doesn't complaint"? only those data are available.. no other data was given
  • What software do you want to use for the analysis? Excel? Minitab? ...? minitab
  • What is the main problem statement for this classroom project? (too much rework, customer satisfaction low,...) that's what also confuse me, i don't know what really the problem is
  • Is this from a green or black belt course? green belt training
 
J

julia_mosh

#10
based from the data and situation given, these are the needed information:

Complete the define phase
Conduct and complete measure phase
Conduct and complete Improve phase
Conduct and complete Control phase
Document results
 
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