STATISTICAL TECHNIQUES FOR BUSINESS AND
17th Edition
ISBN: 9781307261158
Author: Lind
Publisher: MCG/CREATE
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Chapter 18, Problem 23CE
a.
To determine
Plot the data.
b.
To determine
Determine the least squares trend equation.
Determine the logarithmic trend equation.
Identify the most accurate forecast.
c.
To determine
Calculate the points for the years 2001 and 2006.
d.
To determine
Estimate the selling price in 2018.
e.
To determine
Observe the average amount of increase or decrease in stock price during the period.
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Siena Ltd attempts to find the trend of its sales over the past five years. Siena is considering which model that best represent the trends of its sales. Following are the result of linear and exponential model trend analysis:
a. Calculate the MSE and MAD for the linear trend model
b. Calculate the MSE and MAD for the exponential trend model
c. Which model that performs better
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Price/Book Value Ratio Return on Equity
13.032
1.405
8.305
2.113
6.654
1.239
3.262
2.449
5.291
2.398
7.719
0.353
2.569
7.593
5.104
2.012
4.797
2.182
4.129
1.918
1.549
1.951
5.046
2.417
2.159
3.011
1.725
5.582
4.698
Growth%
6.385
11.846 135.669
12.459
0.073
25.092
14.188
8.804
22.766
38.082
18.985
25.696
24.519
19.666
11.624
22.849
49.965
69.649 36.696
3.819 41.139
9.218
29.108
17.772
25.114
29.295 23.764
31.405
9.497
14.759
18.541
12.026
39.016
14.228
39.439
14.097
27.022
14.841
13.237
20.669
17.311
14.887
15.849
5.601
16.775
11.172
8.401
16.161
18.404
23.973 16.673
14.725 46.605
28.839
52.021
No need to answer everything! Just plot the actual visitors and the forecasts. Compare the accuracy of the forecasts in the 1985 to 1990 period with those subsequent to that period.
Chapter 18 Solutions
STATISTICAL TECHNIQUES FOR BUSINESS AND
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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