# Question: a Plot the voter participation rate b Describe the trend

(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?

(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?

## Relevant Questions

For each of the following tted trends, make a prediction for period t = 17: a. yt = 2286 e.076t b. yt = 1149 + 12.78t c. yt = 501 + 18.2t – 7.1t2 (a) Plot both men's and women's winning times on the same graph. (b) Fit a linear trend model to each series. From the fitted trends, will the times eventually converge? Hint: Ask Excel for forecasts (e.g., 20 years ahead). ...(a) Plot U.S. petroleum imports on a graph. (b) Describe the trend (if any) and discuss possible causes. (c) Fit both a linear and an exponential trend. (c) Interpret each fitted trend equation, explaining the ...(a) Use MegaStat or MINITAB to deseasonalize the quarterly data on Coca-Cola's revenues and t a trend. Interpret the results. (b) Use MegaStat or MINITAB to perform a regres- sion using seasonal binaries. Interpret the ...In a three-digit lottery, each of the three digits is supposed to have the same probability of occurrence (counting initial blanks as zeros, e.g., 32 is treated as 032). The table shows the frequency of occurrence of each ...Post your question