document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1046958>Question 1046958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A graduate teaching assistant for an Introduction to Statistics course collected data from one of her classes to investigate the relationship between using the explanatory variable xequals=study time per week&#8203; (average number of&#8203; hours) to predict the response variable yequals=college GPA. For the 21 females in her&#8203; class, the correlation was 0.42. For the eight males in her&#8203; class, the data were as shown in the following table. Complete parts a through c below.<BR>\n" );
document.write( "Student<BR>\n" );
document.write( "1<BR>\n" );
document.write( "2<BR>\n" );
document.write( "3<BR>\n" );
document.write( "4<BR>\n" );
document.write( "5<BR>\n" );
document.write( "6<BR>\n" );
document.write( "7<BR>\n" );
document.write( "8<BR>\n" );
document.write( " <BR>\n" );
document.write( "Study Time<BR>\n" );
document.write( "1414<BR>\n" );
document.write( "1111<BR>\n" );
document.write( "2424<BR>\n" );
document.write( "1111<BR>\n" );
document.write( "1313<BR>\n" );
document.write( "2121<BR>\n" );
document.write( "55<BR>\n" );
document.write( "44<BR>\n" );
document.write( "GPA<BR>\n" );
document.write( "3.43.4<BR>\n" );
document.write( "3.13.1<BR>\n" );
document.write( "3.63.6<BR>\n" );
document.write( "3.33.3<BR>\n" );
document.write( "2.82.8<BR>\n" );
document.write( "3.93.9<BR>\n" );
document.write( "2.92.9<BR>\n" );
document.write( "2.62.6<BR>\n" );
document.write( "a. Construct a scatterplot. Interpret.<BR>\n" );
document.write( "Which scatterplot below correctly shows the&#8203; data?<BR>\n" );
document.write( "A.\r<BR>\n" );
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document.write( "40<BR>\n" );
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document.write( "y<BR>\n" );
document.write( "x y graph<BR>\n" );
document.write( "B.\r<BR>\n" );
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document.write( "40<BR>\n" );
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document.write( "x<BR>\n" );
document.write( "y<BR>\n" );
document.write( "x y graph<BR>\n" );
document.write( "Your answer is correct.C.\r<BR>\n" );
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document.write( "40<BR>\n" );
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document.write( "x y graph<BR>\n" );
document.write( "D.\r<BR>\n" );
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document.write( "0<BR>\n" );
document.write( "40<BR>\n" );
document.write( "0<BR>\n" );
document.write( "4<BR>\n" );
document.write( "x<BR>\n" );
document.write( "y<BR>\n" );
document.write( "x y graph<BR>\n" );
document.write( "The scatterplot shows <BR>\n" );
document.write( "a strong positive<BR>\n" );
document.write( " association between the two variables.<BR>\n" );
document.write( "b. Find and interpret the correlation.<BR>\n" );
document.write( "The correlation is? \r<BR>\n" );
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document.write( "&#8203;(Round to two decimal places as&#8203; needed.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #662418 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=662418\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Data makes no sense: repost <BR>\n" );
document.write( "1414<BR>\n" );
document.write( "1111<BR>\n" );
document.write( "2424<BR>\n" );
document.write( "1111<BR>\n" );
document.write( "1313<BR>\n" );
document.write( "2121<BR>\n" );
document.write( "55<BR>\n" );
document.write( "44<BR>\n" );
document.write( "GPA<BR>\n" );
document.write( "3.43.4<BR>\n" );
document.write( "3.13.1<BR>\n" );
document.write( "3.63.6<BR>\n" );
document.write( "3.33.3<BR>\n" );
document.write( "2.82.8<BR>\n" );
document.write( "3.93.9<BR>\n" );
document.write( "2.92.9<BR>\n" );
document.write( "2.62.6 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );