The data file Acme LLC Earnings per Share shows earnings per share of a corporation over a period of 7 years. a. Draw a time plot of these data. Does your graph suggest the presence of a strong...

The data file Acme LLC Earnings per Share shows earnings per share of a corporation over a period of 7 years.

a. Draw a time plot of these data. Does your graph suggest the presence of a strong seasonal component in this earnings series?

b. Using the seasonal index method, obtain a seasonally adjusted earnings series. Graph this series and comment on its behavior.