document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1117654>Question 1117654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this im so confused...\r<BR>\n" );
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document.write( "In the between-groups design, researchers were interested in whether cholesterol levels would differ depending on diet. Twenty participants were randomly assigned to one of two different groups. Group A was assigned a diet rich in fruits and vegetables and with no trans fats. Group B participants were asked to follow their normal diets, which contained varying levels of trans fats depending on the individual. After one month, blood samples were drawn and the following levels of cholesterol were obtained:\r<BR>\n" );
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document.write( "Participant   Blood Cholesterol    Diet\r<BR>\n" );
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document.write( "1                 129             Healthy\r<BR>\n" );
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document.write( "2                 98              Healthy\r<BR>\n" );
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document.write( "3                 150             Healthy\r<BR>\n" );
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document.write( "4                 75              Healthy\r<BR>\n" );
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document.write( "5                135              Healthy\r<BR>\n" );
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document.write( "6                175              Healthy\r<BR>\n" );
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document.write( "7                115              Healthy\r<BR>\n" );
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document.write( "8                103              Healthy\r<BR>\n" );
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document.write( "9                156              Healthy\r<BR>\n" );
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document.write( "10               143              Healthy\r<BR>\n" );
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document.write( "11               239              Normal\r<BR>\n" );
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document.write( "12               500              Normal\r<BR>\n" );
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document.write( "13               350              Normal\r<BR>\n" );
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document.write( "14               468              Normal\r<BR>\n" );
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document.write( "15               198              Normal\r<BR>\n" );
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document.write( "16               213              Normal\r<BR>\n" );
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document.write( "17               225              Normal\r<BR>\n" );
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document.write( "18               175              Normal\r<BR>\n" );
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document.write( "19               560              Normal\r<BR>\n" );
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document.write( "20               289               Normal\r<BR>\n" );
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document.write( " In 2 to 3 sentence answer the following questions:\r<BR>\n" );
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document.write( "What is the independent variable in this study?<BR>\n" );
document.write( "What are the levels of that independent variable?<BR>\n" );
document.write( "What is the dependent variable? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #732983 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=732983\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the independent variable is the diet.<BR>\n" );
document.write( "that's what you are manipulating in order to observe the effect.<BR>\n" );
document.write( "the dependent variable is the level of cholesterol.<BR>\n" );
document.write( "the levels of the independent variable would be the type of diet.<BR>\n" );
document.write( "it will be either healthy or normal.<BR>\n" );
document.write( "one group gets the healthy diet.<BR>\n" );
document.write( "the other group gets the normal diet.<BR>\n" );
document.write( "presumably their cholesterol levels are measured before the test starts, although this doesn't appear to be stipulated.<BR>\n" );
document.write( "it would, however, be desired, since it is entirely possible that the groups have different cholesterol levels to start with and that would definitely be a factor affecting the result.\r<BR>\n" );
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document.write( "here's a reference on dependent and independent variables that might help explain what each one is.\r<BR>\n" );
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document.write( "<a  rel=nofollow HREF= \"https://statistics.laerd.com/statistical-guides/types-of-variable.php\" target = \"_blank\">https://statistics.laerd.com/statistical-guides/types-of-variable.php</a>\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );