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Demands Of Sea Food Essay Discussion Paper




There are actual seasonal demands of sea food (million cwt.) from 2018 spring to 2020 winter. Please use Seasonalized Regression to calculate the follow questions. (1) What are the seasons' indexes for spring, summer, fall and winter, respectively? (2) What are forecast data of 2021 four seasons from spring to winter? (Please keep two after the decimal point).







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Step-by-step



1st step
All steps
Answer only


Step 1/2








Here, for the given data, I would determine the seasonal index for each quarter, I would also determine the trend regression forecast for each period, this forecast data would be influenced by the seasonal indices.











 	Explanation for step 1









The detailed calculations are shown in the next section,








Step 2/2








Here, the seasonal average is the average of demand over each season,
The global average is determined using the excel formula,
The seasonal index=the seasonal average/The global average
For illustration,






 The seasonal index for spring season=1016.083=0.622

















A
B
C
D
E
F


1









Year 2018





Year 2019





Year 2020





Seasonal Average





Seasonal Index




2



Spring





8





10





12





10





0.622




3



Summer





13





16





13





14





0.870




4



Fall





23





23





22





22.67





1.409




5



Winter





14





18





21





17.67





1.098




6



Global Average





16.083



































Formula:











A
B
C
D
E
F


1









Year 2018





Year 2019





Year 2020





Seasonal Average





Seasonal Index




2



Spring





8





10





12





=AVERAGE(B2:D2)





=E2/$B$6




3



Summer





13





16





13





=AVERAGE(B3:D3)





=E3/$B$6




4



Fall





23





23





22





=AVERAGE(B4:D4)





=E4/$B$6




5



Winter





14





18





21





=AVERAGE(B5:D5)





=E5/$B$6




6



Global Average





=AVERAGE(B2:D5)














































A
B
C
D


1



Period





Demand





Regression forecast





Intercept




2



1





8





12.72





12.11




3



2





13





13.33





Slope




4



3





23





13.94





0.61




5



4





14





14.55










6



5





10





15.17










7



6





16





15.78










8



7





23





16.39










9



8





18





17.00










10



9





12





17.61










11



10





13





18.22










12



11





22





18.84










13



12





21





19.45










14



13











20.06










15



14











20.67










16



15











21.28










17



16











21.90

















Formula:











A
B
C
D


1



Period





Demand





Regression forecast





Intercept




2



1





8





=$D$2+($D$4*A2)





=INTERCEPT(B2:B13,A2:A13)




3



2





13





=$D$2+($D$4*A3)





Slope




4



3





23





=$D$2+($D$4*A4)





=SLOPE(B2:B13,A2:A13)




5



4





14





=$D$2+($D$4*A5)










6



5





10





=$D$2+($D$4*A6)










7



6





16





=$D$2+($D$4*A7)










8



7





23





=$D$2+($D$4*A8)










9



8





18





=$D$2+($D$4*A9)










10



9





12





=$D$2+($D$4*A10)










11



10





13





=$D$2+($D$4*A11)










12



11





22





=$D$2+($D$4*A12)










13



12





21





=$D$2+($D$4*A13)










14



13











=$D$2+($D$4*A14)










15



14











=$D$2+($D$4*A15)










16



15











=$D$2+($D$4*A16)










17



16











=$D$2+($D$4*A17)




























A
B
C
D


1









Forecast data for 2021





Seasonal Index





Final forecast for 2021




2



Spring





20.06





0.622





12.47




3



Summer





20.67





0.870





17.99




4



Fall





21.28





1.409





30.00




5



Winter





21.90





1.098





24.05











Formula:











A
B
C
D


1









Forecast data for 2021





Seasonal Index





Final forecast for 2021




2



Spring





20.0606060606061





0.621761658031088





=B2*C2




3



Summer





20.6724941724942





0.870466321243523





=B3*C3




4



Fall





21.2843822843823





1.40932642487047





=B4*C4




5



Winter





21.8962703962704





1.09844559585492





=B5*C5












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 	Explanation for step 2









The final answer is concluded in the next section,








Final answer








1)
Seasonal relatives are shown below











A
B


1









Seasonal Index




2



Spring





0.622




3



Summer





0.870




4



Fall





1.409




5



Winter





1.098











2)
Final forecast data are shown below,



















Final forecast for 2021







Spring





12.47







Summer





17.99







Fall





30.00







Winter





24.05
















Demands Of Sea Food Essay Discussion Paper

Expert Answer

Demands Of Sea Food Essay Discussion Paper
There are actual seasonal demands of sea food (million cwt.) from 2018 spring to 2020 winter. Please use Seasonalized Regression to calculate the follow questions. (1) What are the seasons' indexes for spring, summer, fall and winter, respectively? (2) What are forecast data of 2021 four seasons from spring to winter? (Please keep two after the decimal point).

Expert Answer

This solution was written by a subject matter expert. It's designed to help students like you learn core concepts. Demands Of Sea Food Essay Discussion Paper

ORDER YOUR PAPER NOW

Step-by-step
Step 1/2
Here, for the given data, I would determine the seasonal index for each quarter, I would also determine the trend regression forecast for each period, this forecast data would be influenced by the seasonal indices.
  • Explanation for step 1
The detailed calculations are shown in the next section,
Step 2/2
Here, the seasonal average is the average of demand over each season,
The global average is determined using the excel formula,
The seasonal index=the seasonal average/The global average
For illustration,
 The seasonal index for spring season=1016.083=0.622
A B C D E F
1
Year 2018
Year 2019
Year 2020
Seasonal Average
Seasonal Index
2
Spring
8
10
12
10
0.622
3
Summer
13
16
13
14
0.870
4
Fall
23
23
22
22.67
1.409
5
Winter
14
18
21
17.67
1.098
6
Global Average
16.083
Formula:
A B C D E F
1
Year 2018
Year 2019
Year 2020
Seasonal Average
Seasonal Index
2
Spring
8
10
12
=AVERAGE(B2:D2)
=E2/$B$6
3
Summer
13
16
13
=AVERAGE(B3:D3)
=E3/$B$6
4
Fall
23
23
22
=AVERAGE(B4:D4)
=E4/$B$6
5
Winter
14
18
21
=AVERAGE(B5:D5)
=E5/$B$6
6
Global Average
=AVERAGE(B2:D5)
A B C D
1
Period
Demand
Regression forecast
Intercept
2
1
8
12.72
12.11
3
2
13
13.33
Slope
4
3
23
13.94
0.61
5
4
14
14.55
6
5
10
15.17
7
6
16
15.78
8
7
23
16.39
9
8
18
17.00
10
9
12
17.61
11
10
13
18.22
12
11
22
18.84
13
12
21
19.45
14
13
20.06
15
14
20.67
16
15
21.28
17
16
21.90
Formula:
A B C D
1
Period
Demand
Regression forecast
Intercept
2
1
8
=$D$2+($D$4*A2)
=INTERCEPT(B2:B13,A2:A13)
3
2
13
=$D$2+($D$4*A3)
Slope
4
3
23
=$D$2+($D$4*A4)
=SLOPE(B2:B13,A2:A13)
5
4
14
=$D$2+($D$4*A5)
6
5
10
=$D$2+($D$4*A6)
7
6
16
=$D$2+($D$4*A7)
8
7
23
=$D$2+($D$4*A8)
9
8
18
=$D$2+($D$4*A9)
10
9
12
=$D$2+($D$4*A10)
11
10
13
=$D$2+($D$4*A11)
12
11
22
=$D$2+($D$4*A12)
13
12
21
=$D$2+($D$4*A13)
14
13
=$D$2+($D$4*A14)
15
14
=$D$2+($D$4*A15)
16
15
=$D$2+($D$4*A16)
17
16
=$D$2+($D$4*A17)
A B C D
1
Forecast data for 2021
Seasonal Index
Final forecast for 2021
2
Spring
20.06
0.622
12.47
3
Summer
20.67
0.870
17.99
4
Fall
21.28
1.409
30.00
5
Winter
21.90
1.098
24.05
Formula:
A B C D
1
Forecast data for 2021
Seasonal Index
Final forecast for 2021
2
Spring
20.0606060606061
0.621761658031088
=B2*C2
3
Summer
20.6724941724942
0.870466321243523
=B3*C3
4
Fall
21.2843822843823
1.40932642487047
=B4*C4
5
Winter
21.8962703962704
1.09844559585492
=B5*C5
  • Explanation for step 2
The final answer is concluded in the next section,
Final answer
1)
Seasonal relatives are shown below
A B
1
Seasonal Index
2
Spring
0.622
3
Summer
0.870
4
Fall
1.409
5
Winter
1.098
2)
Final forecast data are shown below,
Final forecast for 2021
Spring
12.47
Summer
17.99
Fall
30.00
Winter
24.05
Demands Of Sea Food Essay Discussion Paper

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