document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1079186>Question 1079186</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Statistical Techniques in Business & Economics (16th ed.)<BR>\n" );
document.write( "Chapter 7 Case A – Century National Bank<BR>\n" );
document.write( "A. Century National Bank<BR>\n" );
document.write( "Refer to the Century National Bank data. Is it reasonable<BR>\n" );
document.write( "that the distribution of checking account balances approximates<BR>\n" );
document.write( "a normal probability distribution? Determine the<BR>\n" );
document.write( "mean and the standard deviation for the sample of 60 customers.<BR>\n" );
document.write( "Compare the actual distribution with the theoretical<BR>\n" );
document.write( "distribution. Cite some specific examples and comment on<BR>\n" );
document.write( "your findings.<BR>\n" );
document.write( "Divide the account balances into three groups, of<BR>\n" );
document.write( "about 20 each, with the smallest third of the balances in the<BR>\n" );
document.write( "first group, the middle third in the second group, and those<BR>\n" );
document.write( "with the largest balances in the third group. Next, develop a<BR>\n" );
document.write( "table that shows the number in each of the categories of the<BR>\n" );
document.write( "account balances by branch. Does it appear that account<BR>\n" );
document.write( "balances are related to the branch? Cite some examples<BR>\n" );
document.write( "and comment on your findings.\r<BR>\n" );
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document.write( "Century National Bank Data:\r<BR>\n" );
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document.write( "Balance<BR>\n" );
document.write( "1756<BR>\n" );
document.write( "748<BR>\n" );
document.write( "1501<BR>\n" );
document.write( "1831<BR>\n" );
document.write( "1622<BR>\n" );
document.write( "1886<BR>\n" );
document.write( "740<BR>\n" );
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document.write( "2215<BR>\n" );
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document.write( "1494<BR>\n" );
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document.write( "1958<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #693580 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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/cgi-bin/show-face.mpl?user=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=693580\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please don't clutter this website, one question at a time.<BR>\n" );
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