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.
22.1 The difference between a forecast and a budget. A forecast looks the same as a plan or budget and the mechanics of putting a forecast together are the same as for a plan or budget. However a forecast is really quite different from a budget, principally because of the way it is used, and the data it contains. If you use them wisely forecasts will be the major tool in ensuring you never run out of cash. Unlike a budget, a forecast is not intended to be a goal â it is more passive.