The file Silver contains the following prices in London for an ounce of silver (in US$) on

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The file Silver contains the following prices in London for an ounce of silver (in US$) on the last day of the year from 1999 to 2016:

Price (US$/ounce) Price (US$/ounce) Year Year 1999 5.330 2008 10.790 2009 2000 4.570 16.990 2001 4.520 2010 30.630 4.670


a. Plot the data.

b. Compute a linear trend forecasting equation and plot the trend line.

c. Compute a quadratic trend forecasting equation and plot the results.

d. Compute an exponential trend forecasting equation and plot the results.

e. Which model is the most appropriate?

f. Using the most appropriate model, forecast the price of silver at the end of 2017.

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Basic Business Statistics Concepts And Applications

ISBN: 9780134684840

14th Edition

Authors: Mark L. Berenson, David M. Levine, Kathryn A. Szabat, David F. Stephan

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