STATISTICAL TECHNIQUES IN BUSINESS AND E
18th Edition
ISBN: 9781260570489
Author: Lind
Publisher: MCG
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Chapter 18, Problem 3P
To determine
To find: The seasonally adjusted sales forecasts for January 2020 and June 2020.
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An industry analyst fits a linear trend model to 2 years of monthly observations measuring the volume of retail sales (in millions of dollars) of passenger cars in the United States. The trend variable equals 1 in January 2017. Below is the equation and some supplementary info
Y hat = 20.020 + 0.2093 t
Se = 1.061 R2 = .6703 DW = 1.533
Estimate the number of passenger cars that will be sold in January of 2019.
The equation for yearly sales (in 000 dollars)
for a commodity with year 2011 as originy =
%3D
91.6 +28.8X.
Determine the trend equation to give monthly
trend values with Jan. 2012 as origin and
calculate the trend for March, 2012.
Make a prediction for Sales when Floorspace = 80, Competing Ads = 100, and price = 1,200 (2 decimal places)
Chapter 18 Solutions
STATISTICAL TECHNIQUES IN BUSINESS AND E
Ch. 18 - Prob. 1ECh. 18 - Prob. 2ECh. 18 - Prob. 3ECh. 18 - Prob. 4ECh. 18 - Prob. 1SRCh. 18 - Prob. 5ECh. 18 - Prob. 6ECh. 18 - Prob. 7ECh. 18 - Prob. 8ECh. 18 - Prob. 2SR
Ch. 18 - Prob. 9ECh. 18 - Prob. 10ECh. 18 - Prob. 11ECh. 18 - Prob. 12ECh. 18 - Prob. 3SRCh. 18 - Prob. 13ECh. 18 - Prob. 14ECh. 18 - Prob. 15ECh. 18 - Prob. 16ECh. 18 - Prob. 17ECh. 18 - Prob. 18ECh. 18 - Prob. 4SRCh. 18 - Prob. 19ECh. 18 - Prob. 20ECh. 18 - Prob. 21ECh. 18 - Prob. 22ECh. 18 - Prob. 23CECh. 18 - Prob. 24CECh. 18 - Prob. 25CECh. 18 - Prob. 26CECh. 18 - Prob. 27CECh. 18 - Prob. 28CECh. 18 - Prob. 29CECh. 18 - Prob. 30CECh. 18 - Prob. 31CECh. 18 - Prob. 32CECh. 18 - Prob. 33CECh. 18 - Prob. 34CECh. 18 - Prob. 35CECh. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 1.1PTCh. 18 - Prob. 1.2PTCh. 18 - Prob. 1.3PTCh. 18 - Prob. 1.4PTCh. 18 - Prob. 1.5PTCh. 18 - Prob. 1.6PTCh. 18 - Prob. 1.7PTCh. 18 - Prob. 1.8PTCh. 18 - Prob. 1.9PTCh. 18 - Prob. 1.10PTCh. 18 - Prob. 2.1PTCh. 18 - Prob. 2.2PTCh. 18 - Prob. 2.3PT
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