Test overall significance of the estimators testing

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Question:

Rdintens .472 .321 log(sales) .050 profmarg test overall significance of the estimators testing null hypothesis that R&D intensity does not change with all regressors, against the alternative it does change with the regressors.,

given the nullhypothesis shows no relationship b/n rdintens&profmarg, test the statistically significantnce of profmarg or rditens?

test the hypothesis that R&D intensity does not change with sales, against the alternative that it does increase with sales. do the test at 1%,5% & 10% level?

Reference no: EM13833803

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