The data file Earnings per Share shows earnings per share of a corporation over a period of

Question:

The data file Earnings per Share shows earnings per share of a over a period of 28 years. Compute a simple, centered 7-point moving average series for the corporate earnings data. Based on a time plot of the smoothed series, what can be said about its regular components?
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...