The data file Fargo Electronics Earnings shows quarterly sales of a corporation over a period of 6

Question:

The data file Fargo Electronics Earnings shows quarterly sales of a over a period of 6 years.
a. Draw a time plot of this series and discuss its features.
b. Use the seasonal-index method to seasonally adjust this series. Graph the seasonally adjusted series and discuss its features. Corporation
A Corporation is a legal form of business that is separate from its owner. In other words, a corporation is a business or organization formed by a group of people, and its right and liabilities separate from those of the individuals involved. It may...