document.write( "Question 634280: For the least-squares line yhat = 5 + 5x, what is the marginal change in yhat for each unit change in x?
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Algebra.Com's Answer #399472 by stanbon(75887)\"\" \"About 
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Ans: 5
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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