This is no longer simple random sampling, because some combinations of 100 students have a larger selection probability than others â for instance, {3, 13, 23, ..., 993} has a 1/10 chance of selection, while {1, 2, 3, ..., 100} cannot be selected under this method.
Definition of 'weather forecast'. weather forecast. A weather forecast is a statement saying what the weather will be like the next day or for the next few days.
Forecast Value Added (FVA) is defined as, The change in a forecasting performance metric that can be attributed to a particular step or participant in the forecasting process. For example, suppose your forecasting software has achieved a MAPE of 40%, and after management adjustments the MAPE is reduced to 38%.