TOOLS QUANTITATIVES

TOOLS QUANTITATIVES

1. CONTROL GRAPHS are tools for distracting random variations from a process

   • It serves to diagnose, control and confirm; it is important to mention that it is used for control by variables and attributes

2. PARETO CHART

   • It consists of classifying the most important problems on which improvement efforts should concentrate and determining in which order to solve them
     • is used to identify a product for the improvement analysis

3. HISTOGRAM

   • The graph shows the distribution of a set of data, in joined bars, each bar is a subset of the data.
     • It shows the accumulation or tendency, the variability or dispersion and the form of the distribution.

4. DISPERSION DIAGRAM

   • In the graph it describes the joint behavior of two variables is the scatter diagram
     • It serves to determine if there is a relationship between the variables, solving quality problems in a process or product.

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