A. a. Plot the time series. Choose the correct graph below. How have stocks performed in the past? The following table shows performance of a broad measure of stock performance (by percentage) for each decade from the 1830s through the 2000s. Complete parts a through g below. Click the icon to view the stock performance table. A. 20- Performance (%) 10- 1830s 2000s G Decade B. 20- 10- Performance (%) 1830s 2000s Decade b. Fit a three-period moving average to the data and plot the results. Choose the correct graph below. 20- 10-200 0 Performance (%) 1830s 2000s Decade Performance (%) B. 20- 10- 0 1830s 2000s Decade c. Using a smoothing coefficient of W = 0.50, exponentially smooth the series and plot the results. Choose the correct graph below. 20- Q 10 0-9 1830s 2000s Decade d. What is the exponentially smoothed forecast for the 2010s? % (Type an integer or decimal rounded to the nearest tenth as needed.) B. 20- Q 10- 0- 1830s 2000s Decade O c. Performance (%) . Performance (%) 20- 10- C. Performance (%) 20 10- 1830s 2000s Decade 20- 108 0 1830s 2000s Decade 1830s 2000s Decade Q D. D. Performance (%) 20 10- 0- 20- 10 0- Performance (%) 20- 10- 09 Performance (%) 1830s 2000s Decade 1830s 2000s Decade 1830s 2000s Decade Q Stock Performance Decade Performance (%) | Decade Decade Performance (%) 1830s 1.6 1920s 13.5 1840s 12.4 1930s -2.4 1850s 6.6 1940s 9.4 1860s 13.3 1950s 17.7 1870s 7.1 1960s 8.4 1880s 6.1 1970s 6.6 1890s 4.9 1980s 16.6 1900s 10.4 1990s 17.6 1910s 1.9 2000s -0.9