Please help for test

You are investigating the link between the number of customers visiting a website (X) and the number of products sold (Y). You get the following results in Excel: Sales vs Visitors 100 95 90 85 .. ... .. .. Sales . . . ........" 8 98 8 y = 0.0088x + 18.48 .. .. ................ R2 = 0.7026 55 50 5000 5500 6000 6500 7000 7500 8000 8500 Visitors (a) Fill in the strength | Select an answer | and direction Select an answer v of correlation. (b) What is the slope? (c) Write the regression equation, y = (d) If the website get 4,500 visitors this month, how many sales per month would you expect? (e) If the website decreased its visitors by 300 per month, by how much would you expect the sales per month to change