please solve as fast you can

Example ABC Ltd collected some data on advertising spending and the relevant sales figures during the relevant period It wishes to establish whether or not the advertising is actually resulting in additional sales Conduct a regression analysis and find out if there is indeed a relationship See advert.xlsx Example SAMPLE QUESTIONS What is the estimated regression function? How would you interpret this regression function? If the company spends $20,000 on advertising, what would the expected sales level be? Is advertising related to sales? A Sales and advertising spending data 3 Advertising in thousands of dollars 30 40 40 50 60 70 70 70 80 90 23456 Sheet3 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Sheet2 B Actual sales in thousands of dollars 184.4 279.1 244.0 314.2 382.2 450.2 423.6 410.2 500.4 505.3 Sheet1 C D