document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=60016>Question 60016</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dear Sir, Madam,\r<BR>\n" );
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document.write( "Please can you help me with the following?\r<BR>\n" );
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document.write( "Laura wanted to build a multiple regression model based on advertising expenditures and CoffeeTime’s™ price index. Based on the selection of all normal values, she obtained the following:\r<BR>\n" );
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document.write( "1) Multiple R = 0.738\r<BR>\n" );
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document.write( "2) R-square = 0.546\r<BR>\n" );
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document.write( "By using lagged values she came up with the following:\r<BR>\n" );
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document.write( "1) Multiple R = 0.755\r<BR>\n" );
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document.write( "2) R-square = 0.570\r<BR>\n" );
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document.write( "Explain the differences in using these different models. How could CoffeeTime™ further optimize this model?\r<BR>\n" );
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document.write( "I do not need to make a calculation but I need to come up with arguments to explain the differences.\r<BR>\n" );
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document.write( "Please can you shed your light on my problem?\r<BR>\n" );
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document.write( "Thanks very much,\r<BR>\n" );
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document.write( "Claudia Patricia Cardenas\r<BR>\n" );
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document.write( " </SPAN>\n" );
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