Compare the two models based on the forecast errors. Which is the appropriate model to use? Why? Seasonally adjusted linear trend Time, Linear Trend Date Quarter Sales |e| e lel t F, 31/03/2016 30/06/2016 30/09/2016 31/12/2016 31/03/2017 1 1 184 222.25 2 221 274.25 3 3 241 282.64 4 4 541 456.64 1 5 219 207.81 297 30/06/2017 30/09/2017 31/12/2017 6 259.81 3 7 330 268.2 4 8 335 442.2 31/03/2018 1 9 202 193.37 30/06/2018 10 283 245.37 30/09/2018 3 11 286 253.76 31/12/2018 31/03/2019 30/06/2019 30/09/2019 12 377 427.76 1 13 243 178.93 14 292 230.93 3 15 131 239.32 31/12/2019 4 16 528 413.32
Compare the two models based on the forecast errors. Which is the appropriate model to use? Why? Seasonally adjusted linear trend Time, Linear Trend Date Quarter Sales |e| e lel t F, 31/03/2016 30/06/2016 30/09/2016 31/12/2016 31/03/2017 1 1 184 222.25 2 221 274.25 3 3 241 282.64 4 4 541 456.64 1 5 219 207.81 297 30/06/2017 30/09/2017 31/12/2017 6 259.81 3 7 330 268.2 4 8 335 442.2 31/03/2018 1 9 202 193.37 30/06/2018 10 283 245.37 30/09/2018 3 11 286 253.76 31/12/2018 31/03/2019 30/06/2019 30/09/2019 12 377 427.76 1 13 243 178.93 14 292 230.93 3 15 131 239.32 31/12/2019 4 16 528 413.32
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter4: Writing Linear Equations
Section: Chapter Questions
Problem 14CR
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Transcribed Image Text:Compare the two models based on the forecast errors. Which is the appropriate model to use? Why?
Seasonally adjusted
linear trend
Time,
Linear Trend
Date
Quarter
Sales
lel
e
le|
e
e
F.
31/03/2016
1.
1
184
222.25
30/06/2016
2
221
274.25
30/09/2016
3
3
241
282.64
31/12/2016
4
4
541
456.64
31/03/2017
1
5
219
207.81
30/06/2017
2
6
297
259.81
30/09/2017
3
7
330
268.2
31/12/2017
4
335
442.2
31/03/2018
9
202
193.37
30/06/2018
10
283
245.37
30/09/2018
3
11
286
253.76
31/12/2018
4
12
377
427.76
31/03/2019
1
13
243
178.93
30/06/2019
2
14
292
230.93
30/09/2019
3
15
131
239.32
31/12/2019
4
16
528
413.32
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