document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1195479>Question 1195479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Data on tuition and mid-career salary are collected from a number of universities and colleges. The result of the data collection is the linear regression model\r<BR>\n" );
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document.write( "y=−0.85x+157<BR>\n" );
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document.write( "where  x=annual tuition and  <BR>\n" );
document.write( "y=average mid-career salary of graduates, both in thousands of dollars.\r<BR>\n" );
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document.write( "Which quantity is the independent variable?<BR>\n" );
document.write( "average mid-career salary of graduates<BR>\n" );
document.write( "annual tuition<BR>\n" );
document.write( "Correct\r<BR>\n" );
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document.write( "According to this model, what is the average salary for a graduate of a college or university where the annual tuition is $30,000?<BR>\n" );
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document.write( "What is the slope of this regression model?<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 #827981 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52779)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=827981\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Data on tuition and mid-career salary are collected from a number of universities and colleges. <BR>\n" );
document.write( "The result of the data collection is the linear regression model\r<BR>\n" );
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document.write( "y=−0.85x+157\r<BR>\n" );
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document.write( "where x=annual tuition and<BR>\n" );
document.write( "y=average mid-career salary of graduates, both in thousands of dollars.<BR>\n" );
document.write( "(a) Which quantity is the independent variable?<BR>\n" );
document.write( "average mid-career salary of graduates<BR>\n" );
document.write( "annual tuition<BR>\n" );
document.write( "Correct<BR>\n" );
document.write( "(b) According to this model, what is the average salary for a graduate of a college or university <BR>\n" );
document.write( "where the annual tuition is $30,000?<BR>\n" );
document.write( "$<BR>\n" );
document.write( "(c) What is the slope of this regression model?<BR>\n" );
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document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "    (a)  To answer question (a), read your post. The answer is there.\r\n" );
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document.write( "    (b)  To answer question (b), replace x in the formula by the given number 30000;  then calculate right side.\r\n" );
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document.write( "    (c)  the slope is the value of the coefficient at x in the formula.\r\n" );
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document.write( "Solved, &nbsp;answered, &nbsp;and you are instructed on &nbsp;WHAT &nbsp;TO &nbsp;DO&nbsp; and &nbsp;HOW &nbsp;TO &nbsp;DO.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Happy learning &nbsp;(&nbsp;!&nbsp;)\r<BR>\n" );
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