document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1198573>Question 1198573</A>: <I><SPAN STYLE=\"word-break: break-all;\"> HyTex is a direct marketer of stereo equipment, personal computers, and other electronic<BR>\n" );
document.write( "products. HyTex advertises entirely by mailing catalogs to its customers, and all of its orders are<BR>\n" );
document.write( "taken over the telephone. The company spends a great deal of money on its catalog mailings,<BR>\n" );
document.write( "and it wants to be sure that this is paying off in sales. For each customer there are data on the<BR>\n" );
document.write( "following variables:<BR>\n" );
document.write( "Age: age of the customer at the end of the current year<BR>\n" );
document.write( "Gender: coded as 1 for males, 0 for females<BR>\n" );
document.write( "Own Home: coded as 1 if customer owns a home, 0 otherwise<BR>\n" );
document.write( "Married: coded as 1 if customer is currently married, 0 otherwise<BR>\n" );
document.write( "Close: coded as 1 if customer lives reasonably close to a shopping area<BR>\n" );
document.write( "that sells similar merchandise, 0 otherwise<BR>\n" );
document.write( "Salary: combined annual salary of customer and spouse (if any)<BR>\n" );
document.write( "Children: number of children living with customer<BR>\n" );
document.write( "Previous<BR>\n" );
document.write( "customer:<BR>\n" );
document.write( "coded as 1 if customer purchased from HyTex during the previous<BR>\n" );
document.write( "year, 0 otherwise<BR>\n" );
document.write( "Previous spent: total amount of purchases made from HyTex during the previous<BR>\n" );
document.write( "year<BR>\n" );
document.write( "Catalog: number of catalogs sent to the customer this year<BR>\n" );
document.write( "Amount spent: total amount of purchases made from HyTex this year<BR>\n" );
document.write( "2<BR>\n" );
document.write( "Sample of Data Table<BR>\n" );
document.write( "Discussion questions:<BR>\n" );
document.write( "1. What factors would affect customer spending?<BR>\n" );
document.write( "2. With all these factors, can you rank them by their importance to the spending?<BR>\n" );
document.write( "3. What are the pros and cons, if we analyze each and every factor that we have in the<BR>\n" );
document.write( "database?<BR>\n" );
document.write( "4. What do you want to do with factors that turn out to be statistically insignificant? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #832199 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52802)</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=832199\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "How this post does relate to Math ?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );