Topic 9. Factorial Experiments [ST&D Chapter 15] 9. 1. Introduction In earlier times factors were studied one at a time, with separate experiments devoted to each factor. In ...
Filetype PDF | Posted on 17 Feb 2023 | 2 years ago
The words contained in this file might help you see if this file matches what you are looking for:
...Topic factorial experiments introduction in earlier times factors were studied one at a time with separate devoted to each factor the approach investigator compares all treatments that can be formed by combining levels of different experimentation is highly efficient because every observation supplies information about included experiment systematic method investigating relationships and interactions between effects terminology individual are called treatment within if has b then it x example an involving two application nitrogen n phosphorous p crop yield lb as measured variable results shown here level mean se me differences simple denoted for effect on o averages main or simply interaction measures failure same other common fundamental scientific idea objectives study ss departure group means from values expected basis additive combinations row column synergism combination enhance interference inhibit s both tend magnify these first order axb visualized following graphs y high no lo...