Question
Given the following information on the estimated models A and B with n=82 observations VariableModel AModel B Constant54.471.554 (23.19) (19.93) X1 -0.383-0.403 (0.117) (0.118) X2-0.741-0.839
Given the following information on the estimated models A and B with n=82 observations
VariableModel AModel B
Constant54.471.554
(23.19) (19.93)
X1 -0.383-0.403
(0.117) (0.118)
X2-0.741-0.839
(0.43) (0.42)
X3 2.1482.227
(0.43) (0.31)
X4 1.046
(0.691)
X50.194
(0.20)
SSR 2309.9782414.724
AdjR2 .576.568
R2.602.584
S230.39430.958
a)Test the overall level of significance of Model B at a 1% level
State the Null and the Alternative hypotheses and the statistical distribution of the test statistic.
b)Test the joint significance of the variables X4and X5at the 5% level.
State the Null and the Alternative hypotheses and the statistical distribution of the test statistic.
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