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703317
Ishikawa's Seven Basic Tools of Quality Control
Description
Mind Map on Ishikawa's Seven Basic Tools of Quality Control, created by raul.delolmo on 01/04/2014.
Mind Map by
raul.delolmo
, updated more than 1 year ago
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Created by
raul.delolmo
over 10 years ago
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Resource summary
Ishikawa's Seven Basic Tools of Quality Control
Cause and Effect Diagrams
Identify underlying symptoms
Find the root cause
Causes identified
Brainstorm
Working Backwards
Control or Shewhart Charts
Manufacturing or business process
Statistical control or not?
Stable
Data used to predict future performance
Not in control
Data helps to find sources of variation
Allows significant change to be differentiated from natural process
Objective and discipline approach
Check Sheet
Collects data in real time
Quick, easy and efficient recording
Clasificación, Location, Frecuency, Measurement Scale, Check List
Histogram
Visual Impression of data distribution
Used to plot density of data
Pareto Chart
Highlights most importan set of factors
Represents most common source of defects
Scatter plot or graph
Displays values for two variables
Used when a variables is under control of the experimenter
Suggests various kinds of correlations
Positive, negative or uncorrelated
Shows non linear relationships
Stratified Sampling
Sampling from population
Dividing members into homogenous subgroups
Strata
Mutually exclusive
Collectively exhaustive
Random or systematically sampling
Improves representativeness
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