all of the following are tools/techniques of perform quality assurance except

Quality Assurance is defined as the method which prevents or protect the mistakes and the defects in the products which are manufactured and avoid the problem when the product or service is delivered to the customer.

There are 7 basic quality assurance tools and they are known as Ishikawa's seven basic tools of quality which are;

Cause-and-effect diagrams

Flowcharting

Check sheets

Pareto diagrams
Control charts

Histograms

Scatter diagrams.

Now, from the tools above and comparing with the given options, in terms of meaning and use of the words, the only one that is not a tool in quality assurance is Reserve Analysis because it is n analytical technique to determine the essential features and relationships of components in the project management plan to establish a reserve for the schedule duration, budget, estimated cost, or funds for a project

The missing options are;

A. Quality planning tools/ techniques

B. Process analysis

C. Reserve analysis

D. Quality audits

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