Consider the following time series data. Quarter Year 1 Year 2 Year 3 4 6. 3 5 7 3 6. a. Choose the correct time series plot. (i) 9 8 7 1234t

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
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Chapter4: Linear Functions
Section4.3: Fitting Linear Models To Data
Problem 24SE: Table 6 shows the year and the number ofpeople unemployed in a particular city for several years....
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(iv)
9.
Year 1, Year 1, Year 1,
Quarter Quarter Quarter Quarter Quarter Quarter
Year 1,
Year 2,
Year 2,
Quarter Quarter
Year 2,
Year 2,
Year 3, Year 3, Year 3,
Year 3,
Quarter Quarter Quarter Quarter
1
3
4.
1
2
3
4
1
4
Time Period
Plot (iii)
What type of pattern exists in the data?
). Use a multiple regression model with dummy variables as follows to develop an equation to account for seasonal effects in the data. Qtr1 = 1 if Quarter 1, 0 othe
if Quarter 2, 0 otherwise; Qtr3 = 1 if Quarter 3, 0 otherwise. If required, round your answers to three decimal places. For subtractive or negative numbers use a
if there is a + sign before the blank. (Example: -300)
Value =
Qtri +
Qtr2 +
Qtr3 +
:. Compute the quarterly forecasts for next year. If required, round your answers to two decimal places.
Quarter 1 forecast =
Quarter 2 forecast =
Quarter 3 forecast =
Quarter 4 forecast =
Time Series Values
Transcribed Image Text:(iv) 9. Year 1, Year 1, Year 1, Quarter Quarter Quarter Quarter Quarter Quarter Year 1, Year 2, Year 2, Quarter Quarter Year 2, Year 2, Year 3, Year 3, Year 3, Year 3, Quarter Quarter Quarter Quarter 1 3 4. 1 2 3 4 1 4 Time Period Plot (iii) What type of pattern exists in the data? ). Use a multiple regression model with dummy variables as follows to develop an equation to account for seasonal effects in the data. Qtr1 = 1 if Quarter 1, 0 othe if Quarter 2, 0 otherwise; Qtr3 = 1 if Quarter 3, 0 otherwise. If required, round your answers to three decimal places. For subtractive or negative numbers use a if there is a + sign before the blank. (Example: -300) Value = Qtri + Qtr2 + Qtr3 + :. Compute the quarterly forecasts for next year. If required, round your answers to two decimal places. Quarter 1 forecast = Quarter 2 forecast = Quarter 3 forecast = Quarter 4 forecast = Time Series Values
Consider the following time series data.
TITT
Quarter
Year 1
Year 2
Year 3
4
2
3
6
4
8
a. Choose the correct time series plot.
(i)
7
1
Year 1,
Year 2,
Year 2,
Quarter Ouarter Quarter Quarter
Year 1,
Year 1,
Year 1,
Year 2,
Year 2,
Year 3, Year 3,
Year 3,
Year 3,
Quarter Quarter Quarter Quarter Quarter Quarter
Quarter
Quarter
(ii)
8.
7
1
Year 1,
Year 1,
Year 1,
Year 1.
Year 2,
Year 2,
Year 2,
Year 2,
Year 3,
Quarter Quarter Quarter Quarter
Year 3,
Year 3,
Year 3,
Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter
1
1
3
4
1
3
Time Period
(iii)
8
7
1
Year 1,
Year 2,
Year 2,
Year 2,
Year 3,
Year 3,
Year 1,
Quarter Quarter Quarter Quarter Quarter Quarter
Year 1,
Year 1,
Year 3,
Year 3,
Quarter Quarter Quarter Quarter Quarter Quarter
Year 2,
3
4
3
4
1
3
4
Time Period
Time Series Values
Time Series Values
Time Series Values
Transcribed Image Text:Consider the following time series data. TITT Quarter Year 1 Year 2 Year 3 4 2 3 6 4 8 a. Choose the correct time series plot. (i) 7 1 Year 1, Year 2, Year 2, Quarter Ouarter Quarter Quarter Year 1, Year 1, Year 1, Year 2, Year 2, Year 3, Year 3, Year 3, Year 3, Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter (ii) 8. 7 1 Year 1, Year 1, Year 1, Year 1. Year 2, Year 2, Year 2, Year 2, Year 3, Quarter Quarter Quarter Quarter Year 3, Year 3, Year 3, Quarter Quarter Quarter Quarter Quarter Quarter Quarter Quarter 1 1 3 4 1 3 Time Period (iii) 8 7 1 Year 1, Year 2, Year 2, Year 2, Year 3, Year 3, Year 1, Quarter Quarter Quarter Quarter Quarter Quarter Year 1, Year 1, Year 3, Year 3, Quarter Quarter Quarter Quarter Quarter Quarter Year 2, 3 4 3 4 1 3 4 Time Period Time Series Values Time Series Values Time Series Values
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