Select all that apply

Which of the following are true of judgmental techniques for forecasting HR requirements? $($Check all that apply.$)$

Multiple select question.

They use a decision maker who gathers and subjectively weighs the data and then turns it into forecasts of HR requirements.

They are based on the implicit assumption that the pattern of staffing needs in the past will be predictive of the future.

They illustrate human decision$-$making models used for HR forecasting.

They use data from prior sales figures or other operational data to predict expected head count.