can you show step by step how to solve it. A forecaster used the regression equation Qt= a + bt+c1 D₁ + c₂D₂ + c3 D3 and quarterly sales data for 2004/-2021/V(t = 1, ..., 64) for an appliance manufacturer to obtain the results shown below. Qis quarterly sales, and D₁, D2 and D3 are dummy variables for quarters I, II, and III. QT R-SQUARE DEPENDENT VARIABLE: OBSERVATIONS: 64 0.8768 VARIABLE INTERCEPT T D1 D2 D3 PARAMETER ESTIMATE 30.0 1.5 10.0 25.0 40.0 F-RATIO 107.982 STANDARD ERROR 12.80 0.70 3.00 7.20 15.80 What is the estimated intercept of the trend line in the fourth quarter? P- VALUE ON F 0.0001 T- RATIO 2.34 2.14 3.33 3.47 2.53 P- VALUE 0.0224 0.0362 0.0015 0.0010 0.0140

MATLAB: An Introduction with Applications
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can you show step by step how to solve it.
A forecaster used the regression equation
Qt = a + bt + c₁ D₁ + c2D₂ + c3 D3
and quarterly sales data for 2004/-2021/V (t
= 1, ..., 64) for an appliance manufacturer to
obtain the results shown below. Qis
quarterly sales, and D₁, D₂ and D3 are
dummy variables for quarters I, II, and III.
QT R-SQUARE
DEPENDENT
VARIABLE:
OBSERVATIONS: 64 0.8768
VARIABLE
INTERCEPT
T
D1
D2
D3
PARAMETER
ESTIMATE
30.0
1.5
10.0
25.0
40.0
F-RATIO
107.982
STANDARD
ERROR
12.80
0.70
3.00
7.20
15.80
What is the estimated intercept of the trend
line in the fourth quarter?
P-
VALUE
ON F
0.0001
T-
RATIO
2.34
2.14
3.33
3.47
2.53
P-
VALUE
0.0224
0.0362
0.0015
0.0010
0.0140
Transcribed Image Text:can you show step by step how to solve it. A forecaster used the regression equation Qt = a + bt + c₁ D₁ + c2D₂ + c3 D3 and quarterly sales data for 2004/-2021/V (t = 1, ..., 64) for an appliance manufacturer to obtain the results shown below. Qis quarterly sales, and D₁, D₂ and D3 are dummy variables for quarters I, II, and III. QT R-SQUARE DEPENDENT VARIABLE: OBSERVATIONS: 64 0.8768 VARIABLE INTERCEPT T D1 D2 D3 PARAMETER ESTIMATE 30.0 1.5 10.0 25.0 40.0 F-RATIO 107.982 STANDARD ERROR 12.80 0.70 3.00 7.20 15.80 What is the estimated intercept of the trend line in the fourth quarter? P- VALUE ON F 0.0001 T- RATIO 2.34 2.14 3.33 3.47 2.53 P- VALUE 0.0224 0.0362 0.0015 0.0010 0.0140
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