R represents what in an experimental design? random assignment of research subjects (e.g., stores) to groups (experimental and control). chained use of complex variables. realism; which is suitable only for studies with external validity. random assignment of treatments to either the independent or the dependent variables. There is no such R in experimental design terminology.

In time series, which of the following cannot be predicted? A. seasonal fluctuations B. large increases in demand C. large decreases in demand D. cycles E. random variations Dave's earliest start (ES) and earliest finish (EF) are: Davo's lotest start (LS) and lasest finish (LF) are R represents what in an experimental design? random assignment of research subjects (e.g., stores) to groups (experimental and control). chained use of complex variables. realism; which is suitable only for studies with external validity. random assignment of treatments to either the independent or the dependent variables. There is no such R in experimental design terminology