Time-series forecasting is looking at recorded data over time to forecast or predict what might happen in the next time period, under the assumption that future trends will be similar to historical trends.
· What revenue are we going to have 6 months from now?
· How much inventory should we stock tomorrow, or 30 days from now, to meet demands?
· How many customers will return next week or month?
· What is the effect of our product promotion and what can we expect from future promotions?