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  3. with regard to regression models, which of the fol

With regard to regression models, which of the following statements is correct? i) Linear restrictions on regression...

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Statistics

With regard to regression models, which of the followingstatements is correct?

i) Linear restrictions on regression parameters cannot be testedusing an F-test.

ii) The general-to-specific approach (also called “top-down”)starts with a model containing all explanatory variables.Subsequently, the least significant variables are dropped one byone until all of the variables remaining in the model arestatistically significant.

iii) Multicollinearity in a regression results in hight-statistics for individualexplanatory variables and afailure of the F-test to reject the null hypothesis thatthe explanatory variables are jointly insignificant.

Answer & Explanation Solved by verified expert
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I have included the explanations for all the options belowPlease upvote and provide feedback if this answer helpedyou This would help me improve and better my solutionsI will be happy to answer your doubts if any in the commentsection below Thanks The correct answer is iiii The generaltospecific approach alsocalled topdown    See Answer
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