Question: A black belt has identified the following key input (X) and output (Y) variables for the process of laundering your clothes in your washing machine
A black belt has identified the following key input (X) and output (Y) variables for the process of laundering your clothes in your washing machine at home:
Input (X) Variables Output (Y) Variables
Sort laundry ...........Clothes clean
Cycle ............Clothes not damaged
Wash temperature ..........Colors okay
Rinse temperature ..............Lint free
Stain treatment ..........Stains removed
Load size .........Smell fresh/no odors
Fabric softener
Detergent
Bleach
Type of washer
Develop a cause-and-effect diagram for this process of washing clothes. Next develop a cause-and-effect matrix and use your own insight and judgment about the process to rank and weight the output (Y ) variables, assign a numerical score to each X-Y combination, develop overall scores for each X variable, and then rank the X variables in terms of importance.
Input (X) Variables Output (Y) Variables
Sort laundry ...........Clothes clean
Cycle ............Clothes not damaged
Wash temperature ..........Colors okay
Rinse temperature ..............Lint free
Stain treatment ..........Stains removed
Load size .........Smell fresh/no odors
Fabric softener
Detergent
Bleach
Type of washer
Develop a cause-and-effect diagram for this process of washing clothes. Next develop a cause-and-effect matrix and use your own insight and judgment about the process to rank and weight the output (Y ) variables, assign a numerical score to each X-Y combination, develop overall scores for each X variable, and then rank the X variables in terms of importance.
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