The following data report total, monthly U.S. gasoline sales in millions of dollars from January 2017 to December 2018. (To find the data, go to the site https://www.census.gov/retail/index.html#mrts, find “Monthly Retail Trade Report,” then select “Time Series/Trend Charts.”) d. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 3 decimal places.) The following data report total, monthly U.S. gasoline sales in millions of dollars from January 2017 to December 2018. (To find thedata, go to the site https://www.census.gov/retail/index.html#mrts, find "Monthly Retail Trade Report," then select "Time Series/TrendCharts.")Year201720172017201720172017201720172017201720172017201820182018201820182018201820182018201820182018SalesMonth ($ millions)Jan$34,230Feb32,572Mar37,222Apr37,573May39,339Jun38,609Jul38,39739,81739,946AugSepOctNovDecJanFebMarAprMayJunJulAugSepOctNovDec40,31738,78638,64637,82335,97741,24841,70946,64946,14646,59147,43344,18546,94241,83938,226Click here for the Excel Data Filed. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 3 decimal places.) d. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 3 decimal places.)Period123456789101112131415161718192021222324Month-YearJan-2017Feb-2017Mar-2017Apr-2017May-2017Jun-2017Jul-2017Aug-2017Sep-2017Oct-2017Nov-2017Dec-2017Jan-2018Feb-2018Mar-2018Apr-2018May-2018Jun-2018Jul-2018Aug-2018Sep-2018Oct-2018Nov-2018Dec-2018Month123456789101112123456789101112Sales($ Million)34,23032,57237,22237,57339,33938,60938,39739,81739,94640,31738,78638,64637,82335,97741,24841,70946,64946,14646,59147,43344,18546,94241,83938,226TrendIndex0.9600.9001.0201.0201.0601.0201.0071.0301.0301.0200.9700.9600.9300.8800.9901.1001.0801.0801.0901.0041.0600.9300.840ForecastMAD=AbsoluteError

The Mean Absolute Deviation (MAD) is given by: MAD=Actual value-Forecasted Valuen To calculate the…

The following data report total, monthly U.S. gasoline sales in millions of dollars from January 2017 to December 2018. (To find the data, go to the site https://www.census.gov/retail/index.html#mrts, find “Monthly Retail Trade Report,” then select “Time Series/Trend Charts.”) d. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 3 decimal places.)

The following data report total, monthly U.S. gasoline sales in millions of dollars from January 2017 to December 2018. (To find the data, go to the site https://www.census.gov/retail/index.html#mrts, find “Monthly Retail Trade Report,” then select “Time Series/Trend Charts.”) d. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 3 decimal places.)

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter7: Applying Fractions

Section7.5: Percents

Problem 38WE

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Question

d. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 3 decimal places.)

The following data report total, monthly U.S. gasoline sales in millions of dollars from January 2017 to December 2018. (To find the
data, go to the site https://www.census.gov/retail/index.html#mrts, find "Monthly Retail Trade Report," then select "Time Series/Trend
Charts.")
Year
2017
2017
2017
2017
2017
2017
2017
2017
2017
2017
2017
2017
2018
2018
2018
2018
2018
2018
2018
2018
2018
2018
2018
2018
Sales
Month ($ millions)
Jan
$34,230
Feb
32,572
Mar
37,222
Apr
37,573
May
39,339
Jun
38,609
Jul
38,397
39,817
39,946
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
40,317
38,786
38,646
37,823
35,977
41,248
41,709
46,649
46,146
46,591
47,433
44,185
46,942
41,839
38,226
Click here for the Excel Data File
d. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 3 decimal places.)

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