Histogram and Pareto diagram

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Histogram and Pareto diagram

Postby harin4627 Wed Jul 02, 2014 7:40 pm

Out of the following control tool which can help you as the project manager to quantify and categorize defects according to sources?
Scatter chart
Pareto diagram
Cause and effect diagram

Quampus answer: Pareto diagram.

Pareto diagram lists the categories according to sources and frequency. Histogram categorizes the defects according to sources. Since the question does not indicate the frequency part, why can't histogram be the answer?
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Re: Histogram and Pareto diagram

Postby namita Thu Jul 03, 2014 5:48 am

There is one more word in the question i.e. quantify

Pareto chart is a type of histogram only but with frequency. Now we can use histogram to categorize defects but will not be able to quantify it with only histogram. We need Pareto for quantifying how many defects are identified for a particular source

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