STAT TECH IN BUSINESS & ECON AC
18th Edition
ISBN: 9781264731657
Author: Lind
Publisher: MCG
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Question
Chapter 18, Problem 14E
a.
To determine
To draw: The graph of the provided time series data and draw the observations.
b.
To determine
To describe: The time series pattern.
c.
To determine
To explain: The reason that forecasting with a trend model is appropriate for the given time series.
d.
To determine
To calculate: A trend forecasting model using simple linear regression and the MAD.
e.
To determine
To state: The predicted annual change of industry sales.
f.
To determine
To calculate: The sales for the next three periods.
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Please help me understand this problem show me how to do the work in excel.
Question/ Use the data that i pasted below to answer this question. United Dairies, Inc., supplies milkto several independent grocers throughout Dade County, Florida. Managers at UnitedDairies want to develop a forecast of the number of half gallons of milk sold per week.a. Construct a time series plot. What type of pattern exists in the data?b. Use exponential smoothing with α = 0.4 to develop a forecast of demand for week13. What is the resulting MSE?c. Use a moving average with k = 4 to develop a forecast of demand for week 13.What is the resulting MSE?d. Using the above forecasting techniques, what is the forecasts for the next timeperiod?
Week
Sales
1
2750
2
3100
3
3250
4
2800
5
2900
6
3050
7
3300
8
3100
9
2950
10
3000
11
3200
12
3150
Perdisco Limited has shared their annual sales revenue over the last 6 financial years from 2010 to 2015.
Year
Sales ($ 000)
2010
4500
2011
5100
2012
4900
2013
5400
2014
5670
2015
6000
Using linear trend equation forecast the sales revenue of Perdisco Limited for 2016.
Calculate the forecasted sales difference if you use 3-period weighted moving average designed with the following weights: 2013 (0.1), 2014 (0.3) and 2015(0.6).
Please answer this question. this is not graded question. this is from book which is provided by my teacher for understanding concepts. Please solve this as i have finding difficulty in solving.
Find the residuals for the data. Graph a separate residual plot.
Use Desmos and upload a screen shot below.
Show Your Work
Chapter 18 Solutions
STAT TECH IN BUSINESS & ECON AC
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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