A forecaster used the regression equation Qt= a + bt+c₁D1 + C2D2 + c3D3 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. DEPENDENT VARIABLE: OBSERVATIONS: VARIABLE INTERCEPT T D1 D2 D3 Multiple Choice Q> Q> Q> QIV QT R-SQUARE 64 0.8768 QQQQIII F-RATIO P-VALUE ON F 107.982 0.0001 In any given year, quarterly sales tend to vary as follows: PARAMETER STANDARD ESTIMATE 30.0 1.5 10.0 25.0 40.0 ERROR T-RATIO 12.80 2.34 0.70 2.14 3.00 3.33 7.20 3.47 15.80 2.53 P-VALUE 0.0224 0.0362 0.0015 0.0010 0.0140
A forecaster used the regression equation Qt= a + bt+c₁D1 + C2D2 + c3D3 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. DEPENDENT VARIABLE: OBSERVATIONS: VARIABLE INTERCEPT T D1 D2 D3 Multiple Choice Q> Q> Q> QIV QT R-SQUARE 64 0.8768 QQQQIII F-RATIO P-VALUE ON F 107.982 0.0001 In any given year, quarterly sales tend to vary as follows: PARAMETER STANDARD ESTIMATE 30.0 1.5 10.0 25.0 40.0 ERROR T-RATIO 12.80 2.34 0.70 2.14 3.00 3.33 7.20 3.47 15.80 2.53 P-VALUE 0.0224 0.0362 0.0015 0.0010 0.0140
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Please do not give solution in image format thanku
Transcribed Image Text:A forecaster used the regression equation
Qt= a + bt+q₁D₁ + C2D2 + c3D3
and quarterly sales data for 2004/-2021/V (t = 1, ..., 64) for an appliance manufacturer to obtain the results shown below. Q is quarterly sales, and D₁, D₂
and D3 are dummy variables for quarters I, II, and III.
DEPENDENT VARIABLE: QT R-SQUARE
64 0.8768
OBSERVATIONS:
VARIABLE
INTERCEPT
T
D1
D2
D3
Multiple Choice
Q₁Q|Q|||> QIV
F-RATIO P-VALUE ON F
107.982 0.0001
In any given year, quarterly sales tend to vary as follows:
Q>QQIV> QIII
PARAMETER STANDARD
ESTIMATE
30.0
1.5
10.0
25.0
40.0
ERROR T-RATIO P-VALUE
12.80
2.34
0.0224
0.70
2.14
0.0362
3.00
3.33
0.0015
7.20
3.47
0.0010
15.80
2.53
0.0140
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 13 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman