document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1089133>Question 1089133</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The 12 monthly averages of daily high temperatures for San Antonio are given in the data set that follows. The high temperature on April 1 was 45° F. What was the z-score for that day?<BR>\n" );
document.write( "48.5, 52.5, 63.2, 68.9, 73.9, 81.4, 85.6, 85.1, 78.8, 70.7, 59.6, 51.0<BR>\n" );
document.write( "a. –1.75<BR>\n" );
document.write( "b. –1.86<BR>\n" );
document.write( "c. 1.75 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #703481 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=703481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=\"black\" face=\"times\" size=\"3\"><BR>\n" );
document.write( "The sample size is n = 12\r<BR>\n" );
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document.write( "The sample mean is approximately m = 68.2667 (add up the values and divide by n = 12)\r<BR>\n" );
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document.write( "The sample standard deviation is approximately s = 13.2923 (use a calculator)\r<BR>\n" );
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document.write( "If the raw score is x = 45, then the z-score is...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+%28x-m%29%2F%28s%29 ALIGN=MIDDLE  ALT=\"z+=+%28x-m%29%2F%28s%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+%2845-68.2667%29%2F%2813.2923%29 ALIGN=MIDDLE  ALT=\"z+=+%2845-68.2667%29%2F%2813.2923%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+%28-23.2667%29%2F%2813.2923%29 ALIGN=MIDDLE  ALT=\"z+=+%28-23.2667%29%2F%2813.2923%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+-1.7504 ALIGN=MIDDLE  ALT=\"z+=+-1.7504\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+-1.75 ALIGN=MIDDLE  ALT=\"z+=+-1.75\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "This value is approximate\r<BR>\n" );
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document.write( "Therefore <font color=red>the final answer is choice A</font>\r<BR>\n" );
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document.write( "</font> </SPAN>\n" );
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