The crime is murder in these novels, and the plots include accessories such as floor plans, maps, and railway timetables. The appeal of Golden Age fiction is the challenge of the intellectual game.
exogenous variables. (mathematics). In a mathematical model, the independent variables, which are predetermined and given outside the model. 1  Facebook. 2  Twitter.
an independent variable is the variable that u cannot control, such as time, volume, etc. dependent variable is the variable that depends on another variable. usually something like amount of rainfall or something. control variable is the variable that u can control...such as temperature, amount of heat, etc.