document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=847462>Question 847462</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP ME!!\r<BR>\n" );
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document.write( "The number of cremations in a country have increased steadily since 1980. Let p=f(t) be the percentage of bodies that are cremated at t years since 1980.\r<BR>\n" );
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document.write( "Year    Number of reported cases<BR>\n" );
document.write( "1980     9.6<BR>\n" );
document.write( "1985     13.5<BR>\n" );
document.write( "1990     16.9<BR>\n" );
document.write( "1995     20.8<BR>\n" );
document.write( "2000     26.1<BR>\n" );
document.write( "2006     33.4\r<BR>\n" );
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document.write( "Question: Find an equation of f(t).\r<BR>\n" );
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document.write( "PLEASE SHOW ME HOW YOU GET THE ANSWER ON THE CALCULATOR!\r<BR>\n" );
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document.write( "PLEASE HELP ME! THANKS! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #510457 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=510457\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First sum up your number of reported cases to get the total number of reported cases. You should get 120.3.\r<BR>\n" );
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document.write( "Type your data as is, but convert each number of reported cases to a percentage by dividing by 120.3 to each. Verify that your resulting percentages add up to 1.\r<BR>\n" );
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document.write( "It's best to type in this data to your TI-84 using the LIST ability. Put your years in L1, put the percentage cremations in L2.\r<BR>\n" );
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document.write( "Go to STAT > CALC > LinReg(ax+b)\r<BR>\n" );
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document.write( "It tells you what a and b are equal to.\r<BR>\n" );
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document.write( "Here's what your scatterplot \"should\" look like:   <IMG STYLE=\"max-width:80%;\" src= http://www.mathcracker.com/scatterplotimage.php?datax=1980,1985,1990,1995,2000,2006&datay=.0798,%20.1122,.1405,.1729,.2170,.2776&namex=&namey=&titl=/>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src=http://www3.wolframalpha.com/Calculate/MSP/MSP16298225a94c24dai1gi300003e6fah74024985ae?MSPStoreType=image/gif&s=33&w=155.&h=18./> Verify that this is your answer. Instead of x, use t. </SPAN>\n" );
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