Express mean growth rate in percentage points at annual rate

Question

Problem

a. Estimate the mean of ?Y_t.

b. Express the mean growth rate in percentage points at an annual rate. [Hint Multiply the sample mean in (a) by 4001

c. Estimate the standard deviation of ?Y_t. Express your answer in percentage points at an annual rate.

d. Estimate the first four autocorrelations of ?Y_t. What are the units of the autocorrelations (quarterly rates of growth, percentage points at an annual rate, or no units at all)?

The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.