document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=138647>Question 138647</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A regress analysis between sales (Y in $1000) and advertisting (X in dollars) resulted in the following equation\r<BR>\n" );
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document.write( "^Y = 30,000 + 4 X\r<BR>\n" );
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document.write( "The above equation implies that an\r<BR>\n" );
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document.write( "A) increase of $4 in advertising is associated with an increase of $4,000 in sales.<BR>\n" );
document.write( "B) increase of $1 in advertising is associated with an increase of $4 in sales.<BR>\n" );
document.write( "C) increase of $1 in advertising is associated with an increase of $34,000 in sales.<BR>\n" );
document.write( "D) increase of $1 in advertising is associated with an increase of $4,000 in sales.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #101198 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=101198\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Slope \"always\" tells you the change in y when x increases by 1.<BR>\n" );
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document.write( "Your problem:<BR>\n" );
document.write( "B<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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