document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=784988>Question 784988</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the mean of the integers from -410 to 400. explain how you got your answer.  </SPAN>\n" );
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document.write( "Find the mean of the integers from -410 to 400. Explain how you got your answer. <BR>\n" );
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document.write( "A:<BR>\n" );
document.write( "sum of the numbers <BR>\n" );
document.write( "= [(-1 + 1) + (-2 + 2) + (-3 + 3) + ... + (-400 + 400)] + (-401) + (-402) + ... + (-410)<BR>\n" );
document.write( "= [0 + 0 + 0 + ... + 0] + (-4055)<BR>\n" );
document.write( "= -4055\r<BR>\n" );
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document.write( "There are 410 negative integers, 400 positive integers, and a zero.<BR>\n" );
document.write( "There are 410 + 400 + 1 = 811 integers in all.\r<BR>\n" );
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document.write( "mean (average) = -4055/811 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28-5%29 ALIGN=MIDDLE  ALT=\"highlight%28-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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