document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=610171>Question 610171</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need as many details as Possible.  Thank you.\r<BR>\n" );
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document.write( "The histogram below shows the distribution of 50 ages at death due to trauma (accidents and homicides) that were observed in a certain hospital during a week.\r<BR>\n" );
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document.write( " age  frequency<BR>\n" );
document.write( "  10       3<BR>\n" );
document.write( "  20      18<BR>\n" );
document.write( "  30      13<BR>\n" );
document.write( "  40       6<BR>\n" );
document.write( "  50       5<BR>\n" );
document.write( "  60       3<BR>\n" );
document.write( "  70       1<BR>\n" );
document.write( "  80       0<BR>\n" );
document.write( "  90       1<BR>\n" );
document.write( " 1. What percentage of deaths were individuals younger than 35?<BR>\n" );
document.write( "2. Is this histogram left-skewed, right-skewed, symmetric, or neither of these? Explain your<BR>\n" );
document.write( "answer.<BR>\n" );
document.write( "3. Calculate the mean of this frequency distribution.<BR>\n" );
document.write( "4. In what age range must the median lie? Explain your answer.<BR>\n" );
document.write( "5. Assume that the largest observation in this dataset is 90. Suppose this observation were<BR>\n" );
document.write( "incorrectly recorded as 900 instead of 90. Will the mean increase, decrease, or remain<BR>\n" );
document.write( "the same? Will the median increase, decrease or remain the same? Explain your<BR>\n" );
document.write( "answers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #384202 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=384202\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need as many details as Possible. Thank you. <BR>\n" );
document.write( "The histogram below shows the distribution of 50 ages at death due to trauma (accidents and homicides) that were observed in a certain hospital during a week. <BR>\n" );
document.write( "age frequency<BR>\n" );
document.write( "10 3<BR>\n" );
document.write( "20 18<BR>\n" );
document.write( "30 13<BR>\n" );
document.write( "40 6<BR>\n" );
document.write( "50 5<BR>\n" );
document.write( "60 3<BR>\n" );
document.write( "70 1<BR>\n" );
document.write( "80 0<BR>\n" );
document.write( "90 1<BR>\n" );
document.write( "1. What percentage of deaths were individuals younger than 35?<BR>\n" );
document.write( "Ans: (3+18+13)/50 = 34/50 = 68/100 = 68%<BR>\n" );
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document.write( "2. Is this histogram left-skewed, right-skewed, symmetric, or neither of these? Explain your answer.<BR>\n" );
document.write( "Ans: Right skewed.  The higher level freqs. are to the left;<BR>\n" );
document.write( "the histogram stretches out to the right.<BR>\n" );
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document.write( "3. Calculate the mean of this frequency distribution.<BR>\n" );
document.write( "Ans: (10*3 + 20*18 + 30*13 + 40*6 + 50*5+....)/(50) = 32.2<BR>\n" );
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document.write( "4. In what age range must the median lie? Explain your answer.<BR>\n" );
document.write( "Between age 30 and 39 because there are 21 who are in the 10 thru 20<BR>\n" );
document.write( "categories and 16 in the 40 thru 90 categories. The middle age must<BR>\n" );
document.write( "be in the 30 category.<BR>\n" );
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document.write( "5. Assume that the largest observation in this dataset is 90. Suppose this observation were<BR>\n" );
document.write( "incorrectly recorded as 900 instead of 90. <BR>\n" );
document.write( "Will the mean increase, decrease, or remain the same? <BR>\n" );
document.write( "Ans: increase<BR>\n" );
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document.write( "Will the median increase, decrease or remain the same? Explain your<BR>\n" );
document.write( "answers.<BR>\n" );
document.write( "Ans: Remain the same because the middle score will still be the<BR>\n" );
document.write( "middle score.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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