document.write( "Question 227766: The regression equation:\r
\n" ); document.write( "\n" ); document.write( "Y^ = 5 + 1.2X\r
\n" ); document.write( "\n" ); document.write( "was calculated from a sample. It is part of a regression model that has been developed in order to predict the score in an end-of-year exam based on the score in a mid-year exam for a particular university course. In the sample, mid-year scores ranged from 50 to 80.\r
\n" ); document.write( "\n" ); document.write( "Select whether or not each of the following conclusions are correct from the regression analysis:
\n" ); document.write( " Correct OR Not correct\r
\n" ); document.write( "\n" ); document.write( "a) For an increase by one in the mid-year score, the predicted increase in end-of-year score is 1.2.
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\n" ); document.write( "b) If a student achieves a score of 45 in the mid-year exam then they will achieve a score of 59 in the end-of-year exam.
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\n" ); document.write( "c) If a student achieves a score of 60 in the mid-year exam then they will achieve a score of 77 in the end-of-year exam. \n" ); document.write( "

Algebra.Com's Answer #169248 by stanbon(75887) $\"\"$ $\"About$

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Ans: All three are correct.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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