Homework Answers
| y | t | Q1 | Q2 | Q3 |
| 71 | 1 | 1 | 0 | 0 |
| 49 | 2 | 0 | 1 | 0 |
| 54 | 3 | 0 | 0 | 1 |
| 73 | 4 | 0 | 0 | 0 |
| 68 | 5 | 1 | 0 | 0 |
| 41 | 6 | 0 | 1 | 0 |
| 56 | 7 | 0 | 0 | 1 |
| 76 | 8 | 0 | 0 | 0 |
| 62 | 9 | 1 | 0 | 0 |
| 51 | 10 | 0 | 1 | 0 |
| 49 | 11 | 0 | 0 | 1 |
| 67 | 12 | 0 | 0 | 0 |
a)
option iii) is correct
b)
| SUMMARY OUTPUT | |||||
| Regression Statistics | |||||
| Multiple R | 0.938765238 | ||||
| R Square | 0.881280172 | ||||
| Adjusted R Square | 0.836760236 | ||||
| Standard Error | 4.55521679 | ||||
| Observations | 12 | ||||
| ANOVA | |||||
| df | SS | MS | F | Significance F | |
| Regression | 3 | 1232.25 | 410.75 | 19.7952 | 0.0005 |
| Residual | 8 | 166 | 20.75 | ||
| Total | 11 | 1398.25 | |||
| Coefficients | Standard Error | t Stat | P-value | Lower 95% | |
| Intercept | 72 | 2.6300 | 27.3769 | 0.0000 | 65.9353 |
| Q1 | -5 | 3.7193 | -1.3443 | 0.2157 | -13.5768 |
| Q2 | -25 | 3.7193 | -6.7217 | 0.0001 | -33.5768 |
| Q3 | -19 | 3.7193 | -5.1085 | 0.0009 | -27.5768 |
y^ = 72 - 5 Q2 -25 Q2 - 19 Q3
c)
| Year | Quarter | Ft |
| 4 | 1 | 67.000 |
| 4 | 2 | 47.000 |
| 4 | 3 | 53.000 |
| 4 | 4 | 72.000 |
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Consider the following time series data.
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Year 1
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Year 3
1
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6
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2
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8
3
4
7
9
4
6
9
11
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Quarter
Year 1
Year 2
Year 3
Year 4
Year 5
1
20
42
69
98
175
2
101
141
149
211
288
3
168
250
333
388
436
4
6
20
47
91
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South Shore Construction builds permanent docks and seawalls along the southern shore of Long Island, New York. Although the firm has been in business only five years, revenue has increased from $295,000 in the first year of operation to $1,080,000 in the most recent year....
Consider the following time series data.
Consider the following time series data.
Quarter
Year 1
Year 2
Year 3
1
3
6
8
2
2
4
8
3
4
7
9
4
6
9
11
(a)
Choose the correct time series plot.
(i)
(ii)
(iii)
(iv)
- Select your answer -Plot (i)Plot (ii)Plot (iii)Plot (iv)Item
1
What type of pattern exists in the data?
- Select your answer -Positive trend pattern, no
seasonalityHorizontal pattern, no seasonalityNegative trend
pattern, no seasonalityPositive...
E I MINDTAP Video eBook Consider the following time series. Quarter Year 1 Year 2 Year 3 71 49 58 73 68 41 60 86 62 51 53 72 a. Choose a time series plot. TimeSeries Value 60 40 20 TimePeriod(t) TimeSeries Value -60 40 20 Time Periodit) TimeSeries Value ype here to search TimeSeries Valu 60 40 20 Time Periodt) TimeSeries Vale 40 b. Use the folio ving dummy variables to devel。an estmsted regression munion to accent for seasonal...
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Please help I am very confused on how to
solve this
South Shore Construction builds permanent docks and seawalls along the southern shore of Long Island, New York. Although the firm has been in business only five years, revenue has increased from $315,000 in the first year of operation to $1,075,000 in the most recent year. The following data show the quarterly sales revenue in thousands of dollars. Quarter Year 1 TE Year 2 Year 3 Year 4 Year 5...
Quarter
Year 1
Year 2
Year 3
Year 4
Year 5
1
20
42
69
98
175
2
101
141
149
211
288
3
168
250
333
388
436
4
6
20
47
91
181
South Shore Construction builds permanent docks and seawalls along the southern shore of Long Island, New York. Although the firm has been in business only five years, revenue has increased from $295,000 in the first year of operation to $1,080,000 in the most recent year....
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