The zero-defect Concepts: The zero-defect concept is a formula for a management programme which seeks…

Life Testing: The life of a part is one of its quality criteria. The life…

Control charts The purpose of control chart is to detect these changes in quality. Control…

Analysis of Variance: Variance is the square of standard deviation. Analysis of variance is a…

Significance Testing: Significance tests are employed to make decisions on the basis of small information…

Measures of Central Tendency: Most frequency distributions exhibit a Central tendency means a shape such…

Confidence Limits: The confidence or control limits are calculated with the help of a statistical…

Normal distribution: An important continuous probability distribution is the normal distribution or the Gaussian distribution.…

The Poisson distribution: It is used to describe a number of managerial situations including the…

Probability Concept: It is the basis of statistical quality controls. A probability generally refers to…