document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=275906>Question 275906</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For a particular sample of 50 scores on apsychology exam,the following results were obtained.<BR>\n" );
document.write( "First quartile=42 third quartile=74 Standard devation=8 range =56 Mean =58 Median=57 Mode=68 Midrange=61\r<BR>\n" );
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document.write( "WHat score was earned by more students than any other score?Why?<BR>\n" );
document.write( "what was the highest score earned on the exam?<BR>\n" );
document.write( "What was the lowest score earned on the exam?<BR>\n" );
document.write( "According to Chebyshev's therorem,how many students scored between 42 and 74?<BR>\n" );
document.write( "Assume that the distribution is normal.Based on the Empirical Rule, How many students scored between 42 and 74 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #201174 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=201174\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For a particular sample of 50 scores on a psychology exam,the following results were obtained.<BR>\n" );
document.write( "First quartile=42 third quartile=74 Standard devation=8 range =56 Mean =58 Median=57 Mode=68 Midrange=61<BR>\n" );
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document.write( "WHat score was earned by more students than any other score? 57 Why? It's the mode.<BR>\n" );
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document.write( "what was the highest score earned on the exam? <BR>\n" );
document.write( "That would be the top number on the range, which you did not list.<BR>\n" );
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document.write( "What was the lowest score earned on the exam?<BR>\n" );
document.write( "That would be the lowest number on the range.<BR>\n" );
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document.write( "According to Chebyshev's therorem,how many students scored between 42 and 74?<BR>\n" );
document.write( "42 is 2 std below the mean<BR>\n" );
document.write( "74 is 2 std above the mean<BR>\n" );
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document.write( "Ans: 95% of the scores would be between 42 and 78<BR>\n" );
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document.write( "Assume that the distribution is normal.Based on the Empirical Rule, How many students scored between 42 and 74<BR>\n" );
document.write( "z(42) = -2<BR>\n" );
document.write( "z(74) = +2<BR>\n" );
document.write( "P(-2 < z < 2) = 0.9545<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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