document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177676>Question 177676</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sixty-four students in an introductory college economics class were asked how many credits they<BR>\n" );
document.write( "had earned in college, and how certain they were about their choice of major. Research question:<BR>\n" );
document.write( "At &#945; = .01, is the degree of certainty independent of credits earned?<BR>\n" );
document.write( "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" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #134470 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=134470\">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<BR>\n" );
document.write( "had earned in college, and how certain they were about their choice of major. Research question:<BR>\n" );
document.write( "At &#945; = .01, is the degree of certainty independent of credits earned?<BR>\n" );
document.write( "Earned Very Uncertain Somewhat Certain Very Certain Row Total<BR>\n" );
document.write( "0–.........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" );
document.write( "--------------------------------------------------------------<BR>\n" );
document.write( "Chi-Sq. Test results:<BR>\n" );
document.write( "Test Statistic: 14.7638..<BR>\n" );
document.write( "p-value 0.005:<BR>\n" );
document.write( "df= 4<BR>\n" );
document.write( "Conclusion: Since p-value < 1%, reject Ho<BR>\n" );
document.write( "row and column factors are related (dependent)<BR>\n" );
document.write( "==================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );