Question

(a) Make an Excel graph of the data on the number of certified organic farms in the United States.
(b) Discuss the underlying causes that might explain the trend or pattern.
(c) Use Excel, MegaStat, or MINITAB to t three trends (linear, quadratic, exponential) to the time series.
(d) Which trend model do you think is best to make forecasts for the next 3 years? Why?
(e) Use each of the three fitted trend equations to make numerical forecasts for the next 3 years. How similar are the three models' forecasts?


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  • CreatedAugust 19, 2015
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