TABLE 16-4 Given Below Are EXCEL Outputs for Various Estimated Autoregressive Models

Multiple Choice

TABLE 16-4
Given below are EXCEL outputs for various estimated autoregressive models for a company's real operating revenues (in billions of dollars) from 1985 to 2008. From the data, we also know that the real operating revenues for 2006, 2007, and 2008 are 11.7909, 11.7757 and 11.5537, respectively.
AR(1) Model:
AR(2) Model:
AR(3) Model:

-Referring to Table 16-4 and using a 5% level of significance, what is the appropriate AR model for the company's real operating revenue?

A) AR(1)
B) AR(2)
C) AR(3)
D) Any of the above.