What is Sales Analysis?
A technique used to measure the effectiveness of a product or service.
Sales analysis can also encompass other areas, such as marketing and advertising campaigns.
This type of study is often conducted by industry professionals who employ statistical methods that evaluate past sales results in order to understand future trends for planning purposes.
Difference Between Forecast & Estimation
How is forecast different from estimation? A forecast is an estimate based on current information while an estimation will be done with incomplete data, since it's still being gathered.