Thank you for the opportunity to help you with your question!
Regression analysis helps in many ways
1. Helps understand how business operations in work place operates and thus helps you to make wise decisions and its evaluation.
2. Regression analysis can also be used in work place by by justifying company's expenditure and sales
3. Can also be useful in testing company's hypothesis , the manger may ask you to evaluate sales then its your duty to examine the variables and the historical data and sales and advertising ,expenditures and number of sales
4. Helps in forecasting in the work place. you'll more interested in the future than the past Regression enables an individual to take advantage of the past to predict the future outcome..
Please let me know if you need any clarification. I'm always happy to answer your questions.