Final answer:
Researchers have concluded that the method of sales forecasting used made little difference with respect to forecast accuracy. Both subjective and objective methods can yield accurate sales forecasts.
Step-by-step explanation:
The statement that is true about sales forecast accuracy is option 3) Researchers have concluded that the method of sales forecasting used made little difference with respect to forecast accuracy.
Various methods can be used for sales forecasting, including subjective and objective methods. However, research has shown that the accuracy of sales forecasts is not significantly affected by the method used. This means that both subjective and objective methods can yield accurate sales forecasts.
Therefore, it is important for sales managers to prioritize the accuracy of sales forecasts and not overemphasize a specific method, as both subjective and objective methods can provide reliable forecasts.