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The accompanying table shows the regression results when estimating y = β0 + β1x1 + β2x2 + β3x3 + ε. When testing whether or not x1 and x2 are jointly significant,the null hypothesis is ____________.
Theoretical Grounds
The fundamental concepts, principles, or logics that underpin a theory, method, or reasoning.
Professional Wisdom
The deep knowledge and experience that professionals accumulate over time in their field of work, aiding in decision making and problem-solving.
Policy Assessment
The process of evaluating the effectiveness, outcomes, and impacts of public policies.
Social Policy Practice
The application of social policy principles and theories in real-world settings, often involving the development and implementation of programs aimed at improving societal welfare.
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