📄 m34 - generating data with do loops - 33 of 34.mht
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<P><EM>Select the best answer for each question and click Score My =
Quiz.</EM>=20
<OL>
<LI><!-- InstanceBeginEditable name=3D"q1text" -->Which =
statement is=20
<STRONG>false</STRONG> regarding the use of DO loops?<!-- =
InstanceEndEditable -->=20
<P>
<TABLE border=3D0>
<TBODY>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Da name=3Dques1> </TD>
<TD> <EM>a.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q1a" -->They can =
contain=20
conditional clauses.<!-- InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Db name=3Dques1> </TD>
<TD> <EM>b.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q1b" -->They can =
generate=20
multiple observations.<!-- InstanceEndEditable =
--></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dc name=3Dques1> </TD>
<TD> <EM>c.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q1c" -->They can be =
used to=20
combine DATA and PROC steps.<!-- InstanceEndEditable =
--></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dd name=3Dques1> </TD>
<TD> <EM>d.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q1d" -->They can be =
used to=20
read data.<!-- InstanceEndEditable =
--></TD></TR></TBODY></TABLE>
<P></P>
<LI><!-- InstanceBeginEditable name=3D"q2text" -->During each =
execution of=20
the following DO loop, the value of <CODE>Earned</CODE> is =
calculated=20
and is added to its previous value. How many times does this DO =
loop=20
execute? <PRE><FONT color=3D#003399>data finance.earnings;
Amount=3D1000;
Rate=3D.075/12;
do month=3D1 to 12;
Earned+(amount+earned)*rate;
end;
run;</FONT></PRE><!-- InstanceEndEditable -->
<P>
<TABLE border=3D0>
<TBODY>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Da name=3Dques2> </TD>
<TD> <EM>a.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q2a" -->0<!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Db name=3Dques2> </TD>
<TD> <EM>b.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q2b" -->1<!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dc name=3Dques2> </TD>
<TD> <EM>c.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q2c" -->12<!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dd name=3Dques2> </TD>
<TD> <EM>d.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q2d" -->13<!-- =
InstanceEndEditable --></TD></TR></TBODY></TABLE>
<P></P>
<LI><!-- InstanceBeginEditable name=3D"q3text" -->On January 1 =
of each=20
year, $5000 is invested in an account. Complete the DATA step =
below to=20
determine the value of the account after 15 years if a constant =
interest=20
rate of ten percent is expected. <PRE><FONT color=3D#003399>data =
work.invest;
<FONT color=3Dred><STRONG>...</STRONG></FONT>
Capital+5000;
capital+(capital*.10);
end;
run;</FONT></PRE><!-- InstanceEndEditable -->
<P>
<TABLE border=3D0>
<TBODY>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Da name=3Dques3> </TD>
<TD> <EM>a.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q3a" --><TT><FONT=20
color=3D#003399>do count=3D1 to 15;</FONT></TT><!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Db name=3Dques3> </TD>
<TD> <EM>b.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q3b" --><TT><FONT=20
color=3D#003399>do count=3D1 to 15 by 10%;</FONT></TT><!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dc name=3Dques3> </TD>
<TD> <EM>c.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q3c" --><TT><FONT=20
color=3D#003399>do count=3D1 to capital;</FONT></TT><!-- =
InstanceEndEditable --></TD></TR>
<TR vAlign=3Dtop>
<TD><INPUT type=3Dradio value=3Dd name=3Dques3> </TD>
<TD> <EM>d.</EM> </TD>
<TD><!-- InstanceBeginEditable name=3D"q3d" --><TT><FONT=20
color=3D#003399>do count=3Dcapital to =
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