Question

OCTOBER/NOVEMBER 2022 (3.1) Provide a graphical representation for the given time-series. (3.2) Does the time-series seem to follow a trend? If yes, which type of trend? Justify your answer. (2) (3.3) Is the time-series covariance-stationary? Justify your answer. (3.4) Assess the level of heteroskedasticity. Is there a reason for concern? Justify your answer. (3.5) Assess the level of serial correlation. Is there a reason for concern? Justify your answer. (3.6) Conduct an AR(1) process on a new time-series obtained after a carefully chosen transformation, and assess the level of serial correlation via an auto-correlation test. (5) (3.7) Provide an estimate of the value of the time-series for 2015. TOTAL MARKS: [50]

Answer 1

He says that he has "no personal cause to spurn at" Caesar, except "for the general," meaning that there are general reasons for the public good.

Step-by-step explanation: