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Economics

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Jan 9, 2024

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= Question 1, 16.2.6-T » HW Score: 84.5%, 42.25 of 50 points = Homework: Unit 6 Lab Assignment < sl - I . - - R C B save : = 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. Question list < @ Click the icon to view the stock performance table. % Question 1 ¥ o £ o £ 0 £ 0 % ) 3 15%3? ) H 15%0: ) & 18-%: ) g1 ) % Question 2 Decade Decade Decade Decade d. What is the exponentially smoothed forecast for the 2010s? @ Question 3 =l (Type an integer or decimal rounded to the nearest tenth as needed.) e. Repeat (c) and (d) using W = 0.25. Exponentially smooth the series and plot the results. Choose the correct graph below. * I Xc =56 Q = Q sk Q =20 Q 8= g R’ &S £ 10 Q g Q £ 1o Q g Q ; ; ; : 5 e, £ G £ s o 5 & Decade Decade What is the exponentially smoothed forecast for the 2010s? 91 % (Type an integer or decimal rounded to the nearest tenth as needed.) f. Compare the results of (d) and (e). Choose the correct answer below. The forecast value when W = 0.50 is less than the forecast value when W = 0.25 because the value of W is inversely proportional with the forecast value. . The forecast value when W = 0.50 is greater than the forecast value when W =0.25 because a larger value of W eliminates the effects of outliers and irregular variations, while a smaller value of W is preferable for short-term predictions. The forecast value when W = 0.50 is less than the forecast value when W = 0.25 because a smaller value of W eliminates the effects of outliers and irregular variations, while a larger value of W is preferable for short-term predictions. o . The two forecast values are the same, because the given data set has no outliers. A smaller value of W is preferable when attempting to eliminate the effects of outliers and irregular variations, while a larger value is preferable for short-term predictions. g. What conclusions can you reach concerning how stocks have performed in the past? > Based on the exponentially smoothed series with W = 0.50, there appears to be a general downward trend of stock performance in the past. . Based on the exponentially smoothed series with W =0.50, there appears to be a general upward trend of stock performance in the past. . Based on the exponentially smoothed series with W = 0.25, there appears to be a general upward trend of stock performance in the past. ). Based on the exponentially smoothed series with W =0.25, there appears to be a general downward trend of stock performance in the past.

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