Question

(a) Plot the voter participation rate.
(b) Describe the trend (if any) and discuss possible causes.
(c) Fit both a linear and a quadratic trend to the data.
(d) Which model is preferred? Why?
(e) Make a forecast for 2012, using a trend model of your choice (or a judgment forecast).
(f) If possible, check the web for the actual 2012 voter participation rate. How close was your forecast?


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  • CreatedAugust 19, 2015
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