Ten weeks of data on the Commodity Futures Index are as follows. 7.36 7.40 7.54 7.56 7.61 7.52 7.53 7.70 7.61 7.55
(a)
Construct a time series plot. What type of pattern exists in the data?
a. The data appear to follow a seasonal pattern.
b. The data appear to follow a horizontal pattern.
c. The data appear to follow a trend and seasonal pattern.
d. The data appear to follow a cyclical pattern.
Correct: Your answer is correct.
(b)
Use trial and error to find a value of the exponential smoothing coefficient that results in a relatively small MSE. (Consider any MSE less than 0.01 to be relatively small.)
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