EBK STATISTICAL TECHNIQUES IN BUSINESS
17th Edition
ISBN: 9781259924163
Author: Lind
Publisher: MCGRAW HILL BOOK COMPANY
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Chapter 18, Problem 14E
To determine
Determine the linear trend equation.
Forecast the seasonally adjusted sales for 2017.
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Use regression analysis to estimate a linear trend line for annual sales.
Create a 2-D line chart of Cash Sales for months 1-18.
Add a trend line with a forward forecast of 3 periods to the chart. Be sure to include the R-squared value on the chart.
Using =TREND(), complete the forecast table for months 19-21
1
$ 2,145,600
19
2
$ 2,175,200
20
3
$ 2,255,200
21
4
$ 2,505,600
5
$ 2,748,800
6
$ 2,358,000
7
$ 3,165,200
8
$ 3,253,600
9
$ 3,484,000
10
$ 3,731,200
11
$ 3,741,200
12
$ 3,558,800
13
$ 3,771,200
14
$ 3,787,600
15
$ 3,813,600
16
$ 3,822,800
17
$ 3,828,000
18
$ 3,897,200
Amex PLC has gathered following information on the sales of face mask from April 2020 to September 2020.
You are required to;a. Using linear trend equation forecast the sales of face masks for October 2020.b. Calculate the forecasted sales difference if you use 3-period weighted moving average designed with the following weights: July 0.2, August 0.3 and September 0.5.
Month
Sales ($)
April
17,000
May
18,000
June
19,500
July
22,000
August
21,000
September
23,000
Chapter 18 Solutions
EBK STATISTICAL TECHNIQUES IN BUSINESS
Ch. 18 - Prob. 1SRCh. 18 - Prob. 1ECh. 18 - Prob. 2ECh. 18 - Prob. 2SRCh. 18 - Prob. 3ECh. 18 - Prob. 4ECh. 18 - Prob. 5ECh. 18 - Prob. 6ECh. 18 - Prob. 3SRCh. 18 - Prob. 7E
Ch. 18 - Prob. 8ECh. 18 - Prob. 4SRCh. 18 - Prob. 9ECh. 18 - Prob. 10ECh. 18 - Prob. 5SRCh. 18 - Prob. 11ECh. 18 - Prob. 12ECh. 18 - Prob. 13ECh. 18 - Prob. 14ECh. 18 - Prob. 15ECh. 18 - Prob. 16ECh. 18 - Prob. 17CECh. 18 - Prob. 18CECh. 18 - Prob. 19CECh. 18 - Prob. 20CECh. 18 - Prob. 21CECh. 18 - Prob. 22CECh. 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. 34DACh. 18 - Prob. 35DACh. 18 - Prob. 36DACh. 18 - Prob. 37DACh. 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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