As a marketing manager, you wish to find a function that relates the demand D for mens shirts per month and P the price of one shirt in dollars. Based on the price history, the following data were collected. Price of One Shirt (P) Demand (D) 19 49 21 46 22 45 22 42 26 41 28 38 29 33 Determine if the above relation (P, D) defines a function or not. Using Excel, draw a scatter diagram of data. Using Excel, draw a scatter diagram of data. Click here (Links to an external site.) for a video explanation on how to create a scatter plot and linear regression. Using Excel, find the line of the best fit of the models. Add this line in the scatter diagram. Interpret the slope and y-intercept of this equation. Express this equation as a function D of P and find its domain. How many shirts per month will be demanded if the price is \$27? Requirements: Your paper should be 2-3 pages in length (not counting the title page and references page) and cite and integrate at least one credible outside source. The CSU-Global Library (Links to an external site.) is a great place to find resources. Your textbook is a credible resource. Include a title page, introduction, body, conclusion, and a reference page. The introduction should describe or summarize the topic or problem. It might discuss the general applications of the topic or it might introduce the unique terminology associated with the topic. The body of your paper should address the questions posed in the problem. Explain how you approached and answered the question or solved the problem, and, for each question, show all steps involved. Be sure this is in paragraph format, not numbered answers like a homework assignment. The conclusion should summarize your thoughts about what you have determined from your analysis in completing the assignment. 