Real ID, the new format for driver’s licenses and state IDs in the U.S., shows how design can set federal standards while minimizing federal oversight. When Congress passed the Real ID Act in ...

This includes good such as baby toys and wedding dresses to services such as web design work or ride sharing ... and that causes a lot of confusion. For example many of the things that fall ...

Often you do not have the resources for a full factorial design. In this case, a fractional factorial design is a reasonable alternative, provided that the effects of interest can be estimated. Box, ...

The example in the section "Stratified Sampling" assumes that the sample of students was selected using a stratified simple random sampling design. This example shows analysis based on a more complex ...