document.write( "Question 935305: _____A regression analysis of students' college grade point averages (GPAs) and their high school GPAs found r^2 = 0.311 which of these is true ?
\n" ); document.write( "I. High school GPA accounts for 31.1% of college GPA
\n" ); document.write( "II. 31.1% of college GPAs can be correctly predicted with this model
\n" ); document.write( "III. 31.1% of the variance in college GPA can be accounted for by the model
\n" ); document.write( "A) III Only B) II Only C) I only D) none E) I and II \r
\n" ); document.write( "\n" ); document.write( " *Could you please tell me step by step how to do the problem? Thank You so much for helping me !! :)
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Algebra.Com's Answer #568499 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
A regression analysis of students' college grade point averages (GPAs) and their high school GPAs found r^2 = 0.311 which of these is true ?
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\n" ); document.write( "R^2 is defined as the percent of variability in a data set
\n" ); document.write( "that is accounted for by a statistical model.
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\n" ); document.write( "I. High school GPA accounts for 31.1% of college GPA
\n" ); document.write( "II. 31.1% of college GPAs can be correctly predicted with this model
\n" ); document.write( "III. 31.1% of the variance in college GPA can be accounted for by the model
\n" ); document.write( "A) III Only B) II Only C) I only D) none E) I and II
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\n" ); document.write( "Answer:: III
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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