Author Question: All of the following are true about a stationary time series except a. Its statistical properties ... (Read 91 times)

elizabeth18 · **on:** Jun 24, 2018

All of the following are true about a stationary time series except
a. Its statistical properties are independent of time.
b. A plot of the series will always exhibit a horizontal pattern.
c. The process generating the data has a constant mean
d. There is no variability in the time series over time.

Question 2

The techniques of shrinking the horizontal axis or stretching the vertical axis have the effect of making the slope of the graph visually (but not numerically) steeper.
Indicate whether the statement is true or false