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Question No. 4 a. Differentiate between ANOVA and ANCOVA Models with an appropriate example of your own choice? b. Interpret the result of ADF
Question No. 4 a. Differentiate between ANOVA and ANCOVA Models with an appropriate example of your own choice? b. Interpret the result of ADF test for LEX series? Null Hypothesis: LEX has a unit root Exogenous: Constant, Linear Trend Lag Length: 0 (Automatic based on SIC, MAXLAG=0) Augmented Dickey-Fuller test statistic Test critical values 1% level 5% level 10% level t-Statistic Prob. -3.026489 0.1251 -3.961944 -3411717 -3.127739
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