As an Amazon Associate I earn from qualifying purchases.

Np Chart Notes: Definitions & Explanations PDF | Download eBooks

Download Np Chart Notes App (Play Store) Download Np Chart Notes App (App Store)

Study Np Chart lecture notes PDF with total quality management definitions and explanation to study What is Np Chart?. Study np chart explanation with TQM terms to review total quality management course for online MBA programs.

Np Chart Definitions:

  1. Np chart is a graph of the number of defectives (or nonconforming units) in a subgroup.

    Managing Quality: Integrating the Supply Chain by S. Thomas Foster



  2. A control chart based on the number nonconforming rather than the fraction nonconforming is called np chart.

    Introduction to Statistical Quality Control by Douglas C. Montgomery



Np Chart Notes:

Np chart is a type of attribute control chart which is used to determine the number of non-conforming units in a sample. The sample size of each subgroup in case of np charts is the same. Np charts are easy to understand because they show integer numbers that related to non-conforming products. The minimum subgroup size to make an np chart is 25 units. Control limits for np chart are established using the already defined formula. Np chart is an adaptation of p chart. Np charts are based upon binomial distribution. For example, in a clocks' manufacturing unit, the number of defective clocks can be determined using np charts.

Keep Learning with TQM Notes

What is Probability Plotting?

A data set always follows a particular probability distribution. The distribution estimated to be followed by the data set must ...

What is Tolerance Design?

When design and producing products, it is near to impossible that the product will be perfect. There must be some ...

What is Functional Benchmarking?

While performing functional benchmarking, the initiator firm focuses on a single function of the operations and compare its results of ...

What are Check Sheets?

Check sheets are related to histograms. The data used in making histograms are gathered through check sheets. Check sheets can ...

What is Leadership?

Leadership refers to a process where a person who is influential in any manner, inspires and guides a group of ...

What is Design for Manufacture?

While designing a product, it should be considered first if the designed product can be manufactured or not. This consideration ...