document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285742>Question 285742</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major. Research question: At &#945; = .01, is the degree of certainty independent of credits earned? \r<BR>\n" );
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document.write( "Credits Earned    Very Uncertain    Somewhat Certain    Very Certain    Row Total<BR>\n" );
document.write( "0-9             12         8             3         23<BR>\n" );
document.write( "10-59              8         4             10         22<BR>\n" );
document.write( "60 or more           1         7             11         19<BR>\n" );
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document.write( "Col Total           21         19             24         64\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207278 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=207278\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major. <BR>\n" );
document.write( "Research question: At &#945; = .01, is the degree of certainty independent of credits earned? Certainty <BR>\n" );
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document.write( "Ho: certainty and credits are independent<BR>\n" );
document.write( "Ha: they are dependent<BR>\n" );
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document.write( "Credits Earned Very Uncertain Somewhat Certain Very Certain Row Total <BR>\n" );
document.write( "0–9 12 8 3 23 <BR>\n" );
document.write( "10–59 8 4 10 22 <BR>\n" );
document.write( "60 or more 1 7 11 19 <BR>\n" );
document.write( "Col Total 21 19 24 64<BR>\n" );
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document.write( "I ran a Chi-Sq Test on the 3 x 3 data set to get:<BR>\n" );
document.write( "Chi-Sq = 14.7638...<BR>\n" );
document.write( "p-value = 0.00522...<BR>\n" );
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document.write( "Conclusion: Since P-value is less than 1%, Reject Ho.<BR>\n" );
document.write( "Certainty and credits are dependent<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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