a) Fit a seasonal regression model with trend to the data. Is the model significant at α = 0.05? What is the equation of the fit line. Interpret the model parameters in the context of the problem. b) Use the regression model of part a) to make quarterly sales forecasts and an annual sales forecast for the next year, i.e., 2024.
a) Fit a seasonal regression model with trend to the data. Is the model significant at α = 0.05? What is the equation of the fit line. Interpret the model parameters in the context of the problem. b) Use the regression model of part a) to make quarterly sales forecasts and an annual sales forecast for the next year, i.e., 2024.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 4PPS
Related questions
Question
![The worksheet Revenue in the Chp 17 HW problems data worksheet on Moodle
shows quarterly revenue over the period 2018-2023.
a) Fit a seasonal regression model with trend to the data. Is the model significant at
α = 0.05? What is the equation of the fit line. Interpret the model parameters in
the context of the problem.
b) Use the regression model of part a) to make quarterly sales forecasts and an annual
sales forecast for the next year, i.e., 2024.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc7b474d-e4b0-467a-b087-a70fd43257dc%2Feb1074ee-d6bd-4246-992f-b006c459f7ff%2F4toh8re_processed.png&w=3840&q=75)
Transcribed Image Text:The worksheet Revenue in the Chp 17 HW problems data worksheet on Moodle
shows quarterly revenue over the period 2018-2023.
a) Fit a seasonal regression model with trend to the data. Is the model significant at
α = 0.05? What is the equation of the fit line. Interpret the model parameters in
the context of the problem.
b) Use the regression model of part a) to make quarterly sales forecasts and an annual
sales forecast for the next year, i.e., 2024.
![о
1 Year
2
A
B
0
D
E
F
G
H
J
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M
N
Quarter
Revenue
t
Q1
Q2
Q3
2018 Qtr1
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1
1
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0
3
Qtr2
6713
2
0
1
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4
Qtr3
6906
3
0
0
1
5
Qtr4
7986
4
0
0
0
6
2019 Qtr1
5101
5
1
0
0
7
Qtr2
6178
6
0
1
0
8
Qtr3
6376
7
0
0
1
9
Qtr4
7457
0
0
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2020 Qtr1
5530
9
1
0
0
11
Qtr2
6538
10
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1
0
12
Qtr3
6830
11
0
0
1
13
Qtr4
8073
12
0
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2021 Qtr1
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Qtr2
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47°F
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PRE](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc7b474d-e4b0-467a-b087-a70fd43257dc%2Feb1074ee-d6bd-4246-992f-b006c459f7ff%2Fcfzuhhvn_processed.png&w=3840&q=75)
Transcribed Image Text:о
1 Year
2
A
B
0
D
E
F
G
H
J
K
M
N
Quarter
Revenue
t
Q1
Q2
Q3
2018 Qtr1
5330
1
1
0
0
3
Qtr2
6713
2
0
1
0
4
Qtr3
6906
3
0
0
1
5
Qtr4
7986
4
0
0
0
6
2019 Qtr1
5101
5
1
0
0
7
Qtr2
6178
6
0
1
0
8
Qtr3
6376
7
0
0
1
9
Qtr4
7457
0
0
0
10
2020 Qtr1
5530
9
1
0
0
11
Qtr2
6538
10
0
1
0
12
Qtr3
6830
11
0
0
1
13
Qtr4
8073
12
0
0
0
14
2021 Qtr1
6131
13
1
0
0
15
Qtr2
7070
14
0
1
0
16
Qtr3
7257
17
Qtr4
8803
18
2022 Qtr1
6585
19
Qtr2
7697
222222222222
Qtr3
8184
Qtr4
10096
2023 Qtr1
7205
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8599
Qtr3
8950
Qtr4
10383
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1
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1
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Q Search
P
Ο
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PRE
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