Question

With the data in the accompanying table, estimate GPA = β0 + β1GRE + , where GRE is a student’s score on the math portion of the Graduate Record Examination and GPA is the student’s grade point average in graduate school.


a. Construct the 90% confidence interval for the expected GPA for an individual who scored 710 on the math portion of the GRE.
b. Construct the 90% prediction interval for GPA for an individual who scored 710 on the math portion of theGRE.


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  • CreatedJanuary 28, 2015
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