13 All of the following are reasons for obtaining a trend li

13.       All of the following are reasons for obtaining a trend line except

a.         we wish to eliminate trend movements from a time series so we can study the other component of the series

b.         we are interested in studying the historical depiction of trend

c.         we are interested in using the trend line to predict future data

d.         we are interested in analyzing relationships between troughs and peaks

Solution

answer is d