Matrix (X-Y Matrix)
answers the following questions.
- What are the quantitative
relationships between inputs (causes) and outputs (effects)?
- Which inputs are likely to
improve your process?
- Develop a list of the Xs
(inputs) to evaluate.
- Develop a list of Ys
(outputs) that are important to your project or activity.
- Enter the inputs down the
left side of the matrix and the outputs across the top of the matrix.
- Apply a weight to each
output. Usually, you use a 1-to-9 scale for weighting the contributions of the
outputs. For example, hole location is critical so you set it to
9; however, surface finish is not as critical, so
you set it to
- Rate the impact of each
input on each output using the following scale.
- 0 = No impact
- 1 = Little impact
- 3 = Moderate impact
- 9 = Strong impact
- Review the calculated
results in the table and examine the
Input Effect Pareto
Inputs that have the highest values have the greatest impact on the output.
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