d. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 4 decimal places.)$ Sales(Millions)AbsoluteErrorMonth Number123456789101112123456789101112123456789101112123781,5287877791011127698387737471,5841,1247758021,3161,446751767769841764729Index1,4341,0577497631,2171,3317697947708477877611,4241,0468018281,3191,204726745Period12345678910111213141516171819202122232425262730313233343536373839TrendWhat is the average monthly trend in book-store sales? (Negative amounts should be indicated by a minus sign. Round youranswer to 4 decimal places)Average monthly trend in bookstore sales-1. What are the monthly indexes? (Round your answers to 4 decimal places)Month123456Indexmillion dollars per monthForecastMAD-

Given information: Month Number Sales(Million) Period Trend Index 1 1528 1 2 787 2…

Answered: d. Evaluate a seasonally adjusted trend…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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China GDP Year ($ trillions) 2005 2.3 2008 4.6 2011 7.5 2014 10.5 2017 12.0 2020 14.5 2023 17.5 (Source Bloomberg.com U.S. GDP ($ trillions) 13.1 + 14.7 15.5 2032 2035 17.4 19.4 20.6 21.8 China GDP U.S. GDP ($ trillions) 23.2 24.6 26.1 27.7 29.4 30.6 Year ($ trillions) 2026 21.2 2029 25.6 30.9 37.3 2038 45.1 2040 51.1 2. China's GDP vs. United States' GDP I. It is widely predicted that China's economy, mea- sured by Gross Domestic Product (GDP), will even- tually overtake that of the United States. Table 3.17 shows the GDPs for China and the United States from 2005 and projected to 2040 under the assump- tion that China's GDP will grow at an average annual rate of 6.5% and that the United States' GDP will grow at an average annual rate of 2%. Investigate when China's GDP will reach that of the United States under these assumptions about the countries" growth rates by using the following steps. 1. a. Create a scatter plot for the data, with x equal to the number of years after 2000 and…
Q. 16. step by stepsolutiomn please Scatter plots and Equations of Lines, Writing an Equation for a trend line Which graph shows the best trend line for the following data Practice (weeks) 6 8 10 12 14 16 18 Score 15.5 21.5 26.5 34 33 37 41
2
6. The Motion Picture Association of America reports a drop-off of video disc sales. The data in the table below shows consumer spending on video discs (DVD, Blue-ray, and UltraHD Blu-ray) in the United States in the years 2015-2018. Year Consumer Spending on video discs (in billions of dollars) 2015 9.1 2016 8.0 2017 6.8 2018 5.8 (a) What was the average rate of change in consumer spending from 2015 to 2018? (Be sure to include units.) (b) Use the average rate of change calculated above to predict consumer spending on video discs in 2020?
Please answer ASAP. The first question contains data while the second picture contains the question.
3. Below you are given the first four values of a monthly time series of sales. You want to predict the sales of May based the time series data. Month Time Series Value Yt January 120 February 135 March 150 April 175
a. Obtain the linear trend equation for the following data on new checking accounts at Fair Savings Bank and use it to predict expected new checking accounts for periods 16 through 19. (Round your intermediate calculations and final answers to 2 deci places.) Period New Accounts Period, New Accounts Period New Accounts 1 2 3 4 Y Y16 Y17 Y18 Y19 200 214 211 220 235 6 7 8 9 10 237 248 250 258 267 11 12 13 14 15 281 275 287 288 316
The following table reports the sale of umbrellas for 16 quarters. Year 2 Year 3 Year 4 Quarter Year 1 9. 6. 4 8 6. 4 3 2. 4 4 1. 3 7. 5 3 Develop a model using Quarter 3 as the reference and compute the Fourth Quarterly sales forecast for Year 5. Round your answers to three decimal places.
Week 1 2 3 4 5 6 Value 18 13 16 11 17 14 Using the naive method (most recent value) as the forecast for the next week, compute the following measures of forecast accuracy. d. What is the forecast for week 7 (to 2 decimals)?
Please round answers according to the question

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