1. jpsuzuki is the monthly production of cars at a Suzuki plant. A researcher runs the following regression on D. jpsuzukit = (jpsuzuki- jpsuzuki t_1). z(t) D.jpsuzuki Test Statistic jpsuzuki L1. _trend _cons -11.368 1% Critical Value Mackinnon approximate p-value for Z(t) = 0.0000 -3.990 Coef. Std. Err. -.6799044 .059806 157.0193 14.79308 3636.04 840.3144 5% Critical Value t P>|t| -3.430 10% Critic. Value -3.13 [95% Conf. Interval -11.37 0.000 -.7976899 -.56211: 10.61 0.000 186.15) 127.8849 4.33 0.000 1981.074 5291.0 jpsuzuki L1 represents the first lag of jpsuzuki. What is the above regression testing? State the model being estimated and show the null and alternative hypothesis being tested. Interpret whether the software output provides evidence for or against your null hypothesis. Given your conclusion above, what would be needed to make the series stationary? Are there any potential issues with the model used to test your hypothesis above that could invalidate your conclusions? If so, what should be done to obtain reliable inferences? Discuss with reference to alternative tests.
1. jpsuzuki is the monthly production of cars at a Suzuki plant. A researcher runs the following regression on D. jpsuzukit = (jpsuzuki- jpsuzuki t_1). z(t) D.jpsuzuki Test Statistic jpsuzuki L1. _trend _cons -11.368 1% Critical Value Mackinnon approximate p-value for Z(t) = 0.0000 -3.990 Coef. Std. Err. -.6799044 .059806 157.0193 14.79308 3636.04 840.3144 5% Critical Value t P>|t| -3.430 10% Critic. Value -3.13 [95% Conf. Interval -11.37 0.000 -.7976899 -.56211: 10.61 0.000 186.15) 127.8849 4.33 0.000 1981.074 5291.0 jpsuzuki L1 represents the first lag of jpsuzuki. What is the above regression testing? State the model being estimated and show the null and alternative hypothesis being tested. Interpret whether the software output provides evidence for or against your null hypothesis. Given your conclusion above, what would be needed to make the series stationary? Are there any potential issues with the model used to test your hypothesis above that could invalidate your conclusions? If so, what should be done to obtain reliable inferences? Discuss with reference to alternative tests.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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