Compute the one-step-ahead 3-month and 6-month moving-average forecasts for July through December. b. Compute the MAD for the forecasts obtained in part (a). What effect does increasing N from 3 to 6 have on the forecasts? c. Use the arithme

Use the border crossings data below and a = = 0.3 and ẞ = 0.2. Truck Crossings Month February 113,691 March 139,204 April 121,498 May 127,511 June 131,500 July 105,245 August 126,606 Copy Data Step 2 of 2: Calculate the adjusted exponential smoothing forecast for September 2011. Assume the forecast component for February 2011 to be the actual truck crossing value minus the initial trend. Let the initial trend be 10,000 trucks. Round your answer to two decimal places.

The total amount of consumer credit has been increasing steadily in recent years. The following table gives the total outstanding consumer credit (in billions of dollars). Answer parts (a) through (e) below Year 2004 2005 2006 2007 2008 Consumer Credit 2250.5 2303.8 2415.0 2517.9 2595.1 Year 2009 2010 2011 2012 2013 Consumer Credit 2551.5 2645.1 2757.0 2926 3 3099 2 a. Find an equation for the least squares line, letting x equal the number of years since 2000. The equation is Y=x (Use integers or decimals for any numbers in the equation Round to two decimal places as needed.)

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Sales for the past 12 months at Computer Success are given here. Month Sales ($) Month Sales ($) January February March April May June 3000 3400 3700 4100 4700 5700 July August September October November December 6300 7200 6400 4600 4200 3900 a. Use a three-month moving average to forecast the sales for the months May through December.b. Use a four-month moving average to forecast the sales for the months May through December.c. Compare the performance of the two methods by using the mean absolute deviation as the performance criterion. Which method would you recommend?d. Compare the performance of the two methods by using the mean absolute percent error as the performance criterion. Which method would you recommend?e. Compare the performance of the two methods by using the mean squared error as the performance criterion. Which method would you recommend?

Piedmont Park certainly notices that its attendance is seasonal. They've collected data for the last three years (attendance in thousands) with the data shown below. What would be the forecast for Winter 2024 (to two decimal places) before adjusting for seasonality? Quarter 2021 2022 2023 Winter 100 102 106 Spring 160 170 180 Summer 250 280 260 Fall 180 190 192 Selected Answer: 102.67

Use the gas prices data set below to calculate a 3-month Weighted Moving Average (WMA) forecast for the average gas prices and predict the average retail gasoline price for February 2015. Use the weights of 0.6, 0.3, and 0.1 for the 3-month WMA, where the first weight is used for the most recent month and the last weight is used for the least recent month. Round your answer to two decimal places, if necessary. Month-Year Jun-14 Jul-14 Aug-14 Sep-14 Oct-14 Nov-14 Dec-14 Jan-15 Average Gas Price $3.766 $3.688 $3.565 $3.484 $3.255 $2.997 $2.632 $2.208 Copy Data

C8. According to the Pew Research Center (2015), recent immigrants are better educated than earlier immigrants to the United States. The change was attributed to the availability of better education in each region or country of origin. The percentage of immigrants 25 years of age and older who completed at least high school is reported in this table for 1970 to 2013. Write a statement describing the change over time in the percentage who completed at least a high school degree. 1970 1980 1990 2000 2013 Mexico 14 17 26 30 48 Other Central/South America 57 53 60 66 Asia 75 72 75 82 84 48 68 81 87 95 Europe 36 48 52 58 72 Caribbean 81 91 88 85 85 Africa Source: Pew Research Center, Modern Immigration Wave Brings 59 Million to U.S., Driving Population Growth and Change Through 2065, 2015. Retrieved from https://www.pewresearch.org/hispanic/2015/09/28/modern- immigration-wave-brings-59-million-to-u-s-driving-population-growth-and-change-through-2065/ 52

You collect data of average annual returns for Amazon Stock and Microsoft Stock and make the following table: (This data can be copied into Excel.) Year Amazon Return Microsoft Return 2013 0.5896 0.1221 2014 -0.2218 0.2416 2015 1.1778 0.1944 2016 0.1095 0.1200 2017 0.5596 0.3766 2018 0.2843 0.1874 2019 0.3216 0.5526 You use this data to answer the research question: are true population Amazon Returns greater than true population Microsoft Returns?

2. The number of public branch libraries in the United States for several years is given in the table: Year Public Library Branches G500 1994 6223 1995 6172 1996 Branches 6205 1997 6332 1998 6435 a. Graph the data b. Find an equation for a model of these data. Year b. Using your model, estimate the number of branch libraries in 2000 c. Use the graph to estimate in what year(s) there are 6500 branch Libraries