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You Have Estimated the Relationship Between Testscores and the Student-Teacher  TestScore^\widehat{\text { TestScore} }

question 33

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You have estimated the relationship between testscores and the student-teacher ratio under the assumption of homoskedasticity of the error terms. The regression output is as follows:  TestScore^\widehat{\text { TestScore} } = 698.9 - 2.28 × STR, and the standard error on the slope is 0.48. The homoskedasticity-only "overall" regression F- statistic for the hypothesis that the Regression R2 is zero is approximately


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