What are the pros and cons of using each of these quailty management tools?? The

Question

What are the pros and cons of using each of these quailty management tools?? The first one has been completed to show you what I am looking for.

--Identifies the problem

--Works out the major factors involved

--Categorizes the problem causes, and puts them into further subcategories

--Can be confusing

--Can become easily cluttered

Quality Control Technique Pros Cons Cause-and-Effect Diagram

--Identifies the problem

--Works out the major factors involved

--Categorizes the problem causes, and puts them into further subcategories

--Identifies the causes

--Can be confusing

--Can become easily cluttered

--Can oversimplify a realistic situation Check Sheet Control Chart Histogram Pareto Chart Scatter Diagram Stratification Chart

Explanation / Answer

check sheet= pros are: a simple way of measuring quality, effective way, and easy to understand.

cons are: it does not consider all the charecteristics

control charts: pros are: accurate upper and lower limits can be calculated, it consider only sample size, it identifies the gap between acceptable levels and reject levels of sample.

cons: some times only the sample units may be defective ones,but the remaining will be acceptable level

Histogram: pros are: we can come to know the performance for a series of time, not at one point of time

cons: it always consider past performance and compares with present

Pareto chart: it plots the relation between past and present and show the trend of improvement

cons: small problem in one time may carry throughout the period

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