Variables-sampling plans are more efficient than attributes-sampling plans. If the quality characteristic is the life of a product, however, variables sampling can be very time consuming and expensive ...

This example uses the Customers data set from the section "Getting Started". The data set Customers contains an Internet service provider's current subscribers, and the service provider wants to ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

A variable is an event, idea, value or some other object or category that a researcher or business can measure. Variables can be dependent or independent. Dependent variables vary by the factors that ...

In the ranked set sampling algorithm a sample of size n2 is available. The data can be ranked without measurements. A subsample of size n is created using the information given by the ranks. The ...