Solve Problem and Applications: ch7- prob 12, and ch 8- prob 4 at the end of chapters 7 and 8 in your textbook.
Please be sure your work is organized, legible, and your responses are substantive. You need to submit all details of your work including excel sheets used to arrive to the solution. It is not enough to attach your excel sheet. You MUST provide interpretation of results and describe conclusions.
7-12: Develop a multiple regression model with categorical variables that incorporate seasonality for forecasting sales using the last three years of data in the Excel file New Car Sales.
Tips for problem 7-12: This is a multiple regression problem based on monthly data. You will need to create dummy variables for the months to represent seasonality in the model.
Here is a video about the concept:
Here is part of what want to do:
Year Month Units t Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 Jan 39,810 1 0 0 0 0 0 0 0 0 0 0 0
1 Feb 40,081 2 1 0 0 0 0 0 0 0 0 0 0
1 Mar 47,440 3 0 1 0 0 0 0 0 0 0 0 0
1 Apr 47,297 4 0 0 1 0 0 0 0 0 0 0 0
1 May 49,211 5 0 0 0 1 0 0 0 0 0 0 0
You will fill all entries for three years, then run regression in excl.
8-4: If 30 samples of 100 items are tested for nonconformity, and 95 of the 3,000 items are defective, find the upper and lower control limits for a p -chart.
101papers.com is always working towards customer satisfaction. Our professional academic writers always aim at producing comprehensive papers that possess quality and originality at pocket-friendly prices. Students are assured that all their private information is safe with us.
101papers.com provides a system where students can request for money-back in case they cancel the order or in the rare instances of dissatisfaction. The refund policy adheres to the company’s term and conditions on money-back.Read more
While providing the best professional essay writing services, we guarantee all our students of plagiarism-free papers. All papers produced by our professional academic writers are checked against all web resources and previously completed papers to avoid plagiarism.Read more
In our urge to provide the best professional essay writing services, we guarantee students of free revision policy. The free revision policy is a courtesy service where students can request for unlimited for their completed papers. We always aim at achieving 100% customer satisfaction rates. The free revision policy is one among many of our major advantages.Read more
At 101papers.com, every student is entitled to total security. Our professional academic writers are always committed to protecting all private information of our customers. We do not share any personal information with third parties. Additionally, we provide safe systems for all online transactions.Read more
Working with us is the greatest step towards achieving all your academic goals. We always deliver the best professional essay writing services as promised. We, therefore, expect all students to work cooperatively with us, as we work towards achieving our goal, your satisfaction. This way, all services will be delivered accurately and on time.Read more