document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=287742>Question 287742</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An elementary school claims that the standard deviation in reading scores of its fourth grade students is less than 3.15. Determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #208517 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=208517\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An elementary school claims that the standard deviation in reading scores of its fourth grade students is less than 3.15. Determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed.<BR>\n" );
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document.write( "Ho: u >= 3.15<BR>\n" );
document.write( "Ha: u < 3.15 (claim)<BR>\n" );
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document.write( "Since Ha is \"less than\" it is a left-tail test.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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