qu.1.topic=Frequency@

qu.1.1.mode=Multiple Choice@
qu.1.1.name=05+. % in a class@
qu.1.1.comment=<p>There are $WhatSize students in the $WhatSay class. Just add up the number of students ($Sum), divide into $WhatSize and multiply by 100 (to convert probability to %)!</p>
<p>Answer: <math xmlns='http://www.w3.org/1998/Math/MathML'><mstyle fontfamily='Times New Roman' mathsize='12' mathcolor='#000000'  veryverythinmathspace='0.0555556em' verythinmathspace='0.111111em' thinmathspace='0.166667em' mediummathspace='0.222222em' thickmathspace='0.277778em' verythickmathspace='0.333333em' veryverythickmathspace='0.388889em' scriptlevel='0' scriptsizemultiplier='0.71' scriptminsize='8.0pt'><mrow><mn>100</mn><mo lspace='0.0em' rspace='0.0em'>&sdot;</mo><mfrac><mrow><mi mathvariant='normal'>$WhatSize</mi></mrow><mrow><mi mathvariant='normal'>$Sum</mi></mrow></mfrac><mo lspace='0.2777778em' rspace='0.2777778em'>&equals;</mo><mi mathvariant='normal'>$Ans</mi></mrow></mstyle></math>%</p>@
qu.1.1.editing=useHTML@
qu.1.1.solution=@
qu.1.1.algorithm=$Q=5;
$XA=range(2,6);
$XB=range(5,9);
$XC=range(10,13);
$XD=range(15,19);
$XF=range(5,9,1);
$Sum=$XA+$XB+$XC+$XD+$XF;
$WhatClass=rint(5);
$WhatSay=switch($WhatClass,"A","B","C","D","F");
$WhatSize=switch($WhatClass,[$XA,$XB,$XC,$XD,$XF]);
$Ans=decimal(2,100*$WhatSize/$Sum);
$Alt1=decimal(2,range(1.1,1.9,0.01)*$Ans);
$Alt2=decimal(2,range(0.5,0.9,0.01)*$Ans);
$Alt3=decimal(2,0.5*($Ans+switch(rint(2),$Alt1,$Alt2)));@
qu.1.1.uid=49080d9b-6fc1-4ee9-ae81-24588c813606@
qu.1.1.info=  Course=202;
  Keyword=histogram;
  Keyword=frequency;
  Type=MC;
@
qu.1.1.question=<div title="UW Statistics Bank/Graphical Analysis/Histograms/Q$Q">For the table below, calculate the percent of students that fell within the $WhatSay class
<p>
<meta content="en-us" http-equiv="Content-Language" /></p>
<div align="center"><center>
<table cellspacing="1" cellpadding="3" bordercolor="#111111" border="0" id="AutoNumber1" style="border-collapse: collapse;">
    <tbody>
        <tr>
            <td>Grade</td>
            <td>Class Boundaries</td>
            <td>Frequency</td>
        </tr>
        <tr>
            <td align="left">A</td>
            <td align="left">89.5 - 99.5</td>
            <td align="left">$XA</td>
        </tr>
        <tr>
            <td align="left">B</td>
            <td align="left">79.5 - 89.5</td>
            <td align="left">$XB</td>
        </tr>
        <tr>
            <td align="left">C</td>
            <td align="left">69.5 - 79.5</td>
            <td align="left">$XC</td>
        </tr>
        <tr>
            <td align="left">D</td>
            <td align="left">59.5 - 69.4</td>
            <td align="left">$XD</td>
        </tr>
        <tr>
            <td align="left">F</td>
            <td align="left">49.5 - 59.5</td>
            <td align="left">$XF</td>
        </tr>
    </tbody>
</table>
</center></div>
</div>@
qu.1.1.answer=2@
qu.1.1.choice.1=$Alt1%@
qu.1.1.choice.2=$Ans%@
qu.1.1.choice.3=$Alt2%@
qu.1.1.choice.4=$Alt3%@
qu.1.1.fixed=@

qu.1.2.mode=Multiple Choice@
qu.1.2.name=04. Total Frequency vs Histogram@
qu.1.2.comment=@
qu.1.2.editing=useHTML@
qu.1.2.solution=@
qu.1.2.algorithm=$Q=4;
$Which=1+rint(4);
$Answers=[24,29,25,23);
$Ans=switch($Which-1,$Answers);
$Alt1=$Ans+1+rint(5);
$Alt2=11+rint(5);
$Alt3=$Ans-rint(15);@
qu.1.2.uid=e4b32f29-727f-4ace-ac4c-4dd6a3e2a63b@
qu.1.2.info=  Difficulty=2;
  Course=202;
  Type=MC;
@
qu.1.2.question=<div title="UW Statistics Bank/Graphical Analysis/Frequency/Q$Q">The total frequency of the data whose histogram is shown below:
<p><img alt="Histogram" src="__BASE_URI__GA/Frequency/FreqChart$Which.gif" /></p>
is approximately:</div>@
qu.1.2.answer=2@
qu.1.2.choice.1=$Alt1@
qu.1.2.choice.2=$Ans@
qu.1.2.choice.3=$Alt2@
qu.1.2.choice.4=$Alt3@
qu.1.2.fixed=@

qu.2.topic=Histograms@

qu.2.1.mode=Multiple Choice@
qu.2.1.name=05+. % in a class@
qu.2.1.comment=<p>There are $WhatSize students in the $WhatSay class. Just add up the number of students ($Sum), divide into $WhatSize and multiply by 100 (to convert probability to %)!</p>
<p>Answer: <math xmlns='http://www.w3.org/1998/Math/MathML'><mstyle fontfamily='Times New Roman' mathsize='12' mathcolor='#000000'  veryverythinmathspace='0.0555556em' verythinmathspace='0.111111em' thinmathspace='0.166667em' mediummathspace='0.222222em' thickmathspace='0.277778em' verythickmathspace='0.333333em' veryverythickmathspace='0.388889em' scriptlevel='0' scriptsizemultiplier='0.71' scriptminsize='8.0pt'><mrow><mn>100</mn><mo lspace='0.0em' rspace='0.0em'>&sdot;</mo><mfrac><mrow><mi mathvariant='normal'>$WhatSize</mi></mrow><mrow><mi mathvariant='normal'>$Sum</mi></mrow></mfrac><mo lspace='0.2777778em' rspace='0.2777778em'>&equals;</mo><mi mathvariant='normal'>$Ans</mi></mrow></mstyle></math>%</p>@
qu.2.1.editing=useHTML@
qu.2.1.solution=@
qu.2.1.algorithm=$Q=5;
$XA=range(2,6);
$XB=range(5,9);
$XC=range(10,13);
$XD=range(15,19);
$XF=range(5,9,1);
$Sum=$XA+$XB+$XC+$XD+$XF;
$WhatClass=rint(5);
$WhatSay=switch($WhatClass,"A","B","C","D","F");
$WhatSize=switch($WhatClass,[$XA,$XB,$XC,$XD,$XF]);
$Ans=decimal(2,100*$WhatSize/$Sum);
$Alt1=decimal(2,range(1.1,1.9,0.01)*$Ans);
$Alt2=decimal(2,range(0.5,0.9,0.01)*$Ans);
$Alt3=decimal(2,0.5*($Ans+switch(rint(2),$Alt1,$Alt2)));@
qu.2.1.uid=49080d9b-6fc1-4ee9-ae81-24588c813606@
qu.2.1.info=  Course=202;
  Keyword=histogram;
  Keyword=frequency;
  Type=MC;
@
qu.2.1.question=<div title="UW Statistics Bank/Graphical Analysis/Histograms/Q$Q">For the table below, calculate the percent of students that fell within the $WhatSay class
<p>
<meta content="en-us" http-equiv="Content-Language" /></p>
<div align="center"><center>
<table cellspacing="1" cellpadding="3" bordercolor="#111111" border="0" id="AutoNumber1" style="border-collapse: collapse;">
    <tbody>
        <tr>
            <td>Grade</td>
            <td>Class Boundaries</td>
            <td>Frequency</td>
        </tr>
        <tr>
            <td align="left">A</td>
            <td align="left">89.5 - 99.5</td>
            <td align="left">$XA</td>
        </tr>
        <tr>
            <td align="left">B</td>
            <td align="left">79.5 - 89.5</td>
            <td align="left">$XB</td>
        </tr>
        <tr>
            <td align="left">C</td>
            <td align="left">69.5 - 79.5</td>
            <td align="left">$XC</td>
        </tr>
        <tr>
            <td align="left">D</td>
            <td align="left">59.5 - 69.4</td>
            <td align="left">$XD</td>
        </tr>
        <tr>
            <td align="left">F</td>
            <td align="left">49.5 - 59.5</td>
            <td align="left">$XF</td>
        </tr>
    </tbody>
</table>
</center></div>
</div>@
qu.2.1.answer=2@
qu.2.1.choice.1=$Alt1%@
qu.2.1.choice.2=$Ans%@
qu.2.1.choice.3=$Alt2%@
qu.2.1.choice.4=$Alt3%@
qu.2.1.fixed=@

qu.2.2.mode=Multiple Choice@
qu.2.2.name=03. Which class is smallest?@
qu.2.2.comment=<p>Select the class with the shortest histogram bar.</p>@
qu.2.2.editing=useHTML@
qu.2.2.solution=@
qu.2.2.algorithm=$Q=3;
$Which=1+rint(4);
$Answer=[80,40,30,90];
$Ans=switch($Which-1,$Answer);
$Alt1=50;
$Alt2=60;
$Alt3=70;@
qu.2.2.uid=ca4a051e-e495-4549-8e39-b5e2de770085@
qu.2.2.info=  Difficulty=2;
  Keyword=histogram;
  Course=202;
  Type=MC;
@
qu.2.2.question=<div title="UW Statistics Bank/Graphical Analysis/Histograms/Q$Q">Find the class with the least number of data values.<br />
<img src="__BASE_URI__GA/Histograms/ClassChart$Which.gif" alt="Histogram" title="Histogram [IMG:ClassChart$Which.gif]" /></div>@
qu.2.2.answer=1@
qu.2.2.choice.1=$Ans@
qu.2.2.choice.2=$Alt1@
qu.2.2.choice.3=$Alt2@
qu.2.2.choice.4=$Alt3@
qu.2.2.fixed=@

qu.2.3.mode=Multiple Choice@
qu.2.3.name=02. Which class is largest?@
qu.2.3.comment=<p>This is the class with the highest histogram bar, which can be seen to be the $Ans class.</p>@
qu.2.3.editing=useHTML@
qu.2.3.solution=@
qu.2.3.algorithm=$Q=2;
$Which=1+rint(4);
$Answer=[50,60,70,40];
$Ans=switch($Which-1,$Answer);
$Alt1=$Ans+10;
$Alt2=$Ans-10;
$Alt3=$Ans+switch(rint(2),20,-20);@
qu.2.3.uid=ee14ee60-2d2b-4ad8-9896-a7def1872c05@
qu.2.3.info=  Difficulty=2;
  Keyword=histogram;
  Course=202;
  Type=MC;
@
qu.2.3.question=<div title="UW Statistics Bank/Graphical Analysis/Histograms/Q$Q">Find the class with the greatest number of data values.<br />
<img alt="Histogram" title="Histogram [IMG:ClassChart$Which.gif]" src="__BASE_URI__GA/Frequency/ClassChart$Which.gif" /></div>@
qu.2.3.answer=1@
qu.2.3.choice.1=$Ans@
qu.2.3.choice.2=$Alt1@
qu.2.3.choice.3=$Alt2@
qu.2.3.choice.4=$Alt3@
qu.2.3.fixed=@

qu.2.4.mode=True False@
qu.2.4.name=01. Histogram Definition@
qu.2.4.comment=@
qu.2.4.editing=useHTML@
qu.2.4.solution=@
qu.2.4.algorithm=$Q=1;
$Pick=rint(4);
$Say=switch($Pick,"a graph that represents the cumulative frequencies for the classes in a frequency distribution","a boxplot which shows the mean of each cumulative frequency class","a graphical representation of data outliers","a plot of the ratio mean:median for each frequency class");@
qu.2.4.uid=8d07e3dd-caf1-4184-83ca-b6cd0113cf56@
qu.2.4.info=  Difficulty=1;
  Keyword=histogram;
  Course=202;
  Type=TF;
@
qu.2.4.question=<div title="UW Statistics Bank/Graphical Analysis/Histograms/Q$Q">A histogram is $Say.</div>@
qu.2.4.answer=2@
qu.2.4.choice.1=True@
qu.2.4.choice.2=False@
qu.2.4.fixed=@

qu.2.5.mode=Multiple Choice@
qu.2.5.name=04. % in a class@
qu.2.5.comment=<p>Percent in Class $SayWhich = <math xmlns='http://www.w3.org/1998/Math/MathML'><mstyle fontfamily='Times New Roman' mathsize='12' mathcolor='#000000'  veryverythinmathspace='0.0555556em' verythinmathspace='0.111111em' thinmathspace='0.166667em' mediummathspace='0.222222em' thickmathspace='0.277778em' verythickmathspace='0.333333em' veryverythickmathspace='0.388889em' scriptlevel='0' scriptsizemultiplier='0.71' scriptminsize='8.0pt'><mrow><mn>100</mn><mo lspace='0.0em' rspace='0.0em'>&sdot;</mo><mfrac><mfenced open='(' close=')' separators=','><mrow><mo lspace='0.1111111em' rspace='0.1111111em'>&num;</mo><mrow><mo lspace='0.0em' rspace='0.0em'>&#32;</mo><mo mathvariant='bold' fontweight='bold' lspace='0.0em' rspace='0.0em'>in</mo><mo lspace='0.0em' rspace='0.0em'>&#32;</mo><mi>class</mi><mo lspace='0.0em' rspace='0.0em'>&#32;</mo><mi mathvariant='normal'>$SayWhich</mi></mrow></mrow></mfenced><mrow><mi>Total</mi><mo lspace='0.0em' rspace='0.0em'>&#32;</mo><mi>Number</mi><mo lspace='0.0em' rspace='0.0em'>&#32;</mo><mi>of</mi><mo lspace='0.0em' rspace='0.0em'>&#32;</mo><mi>Students</mi></mrow></mfrac><mo lspace='0.2777778em' rspace='0.2777778em'>&equals;</mo><mn>100</mn><mo lspace='0.0em' rspace='0.0em'>&sdot;</mo><mfrac><mrow><mi mathvariant='normal'>$CalcWhich</mi></mrow><mrow><mi mathvariant='normal'>$Total</mi></mrow></mfrac><mo lspace='0.2777778em' rspace='0.2777778em'>&equals;</mo><mi mathvariant='normal'>$Ans</mi></mrow></mstyle></math></p>@
qu.2.5.editing=useHTML@
qu.2.5.solution=@
qu.2.5.algorithm=$Q=4;
$A=range(3,8);
$B=range(4,15);
$C=range(4,11);
$D=range(1,5);
$F=range(1,4);
$Pick=rint(5);
$SayWhich=switch($Pick,A,B,C,D,F);
$CalcWhich=switch($Pick,$A,$B,$C,$D,$F);
$Total=$A+$B+$C+$D+$F;
$Ans=decimal(1,100*$CalcWhich/$Total);
$Alt1=decimal(1,range(0.2,0.8,0.05)*$Ans);
$Alt2=decimal(1,$Ans+range(0.2,0.8,0.05)*(100-$Ans));
$Alt3=decimal(1,0.5*($Ans+switch(rint(2),$Alt1,$Alt2)));@
qu.2.5.uid=7a122d30-9683-4930-a7fa-637240ddd8b3@
qu.2.5.info=  Difficulty=2;
  Keyword=histogram;
  Course=202;
  Type=MC;
@
qu.2.5.question=<div title="UW Statistics Bank/Graphical Analysis/Histograms/Q$Q">For the table below, calculate the percent of students that fell within the $SayWhich class <br />
<p>
<meta http-equiv="Content-Language" content="en-us" /></p>
<div align="center"><center>
<table cellspacing="1" cellpadding="3" bordercolor="#111111" border="0" style="border-collapse: collapse;" id="AutoNumber1">
    <tbody>
        <tr>
            <td><strong>Grade</strong></td>
            <td><strong>Class Boundaries</strong></td>
            <td><strong>Frequency</strong></td>
        </tr>
        <tr>
            <td align="left">A</td>
            <td align="left">> 79.5</td>
            <td align="left">$A</td>
        </tr>
        <tr>
            <td bgcolor="#c0c0c0" align="left">B</td>
            <td bgcolor="#c0c0c0" align="left">69.5 - 79.4</td>
            <td bgcolor="#c0c0c0" align="left">$B</td>
        </tr>
        <tr>
            <td align="left">C</td>
            <td align="left">59.5 - 69.4</td>
            <td align="left">$C</td>
        </tr>
        <tr>
            <td bgcolor="#c0c0c0" align="left">D</td>
            <td bgcolor="#c0c0c0" align="left">49.5 - 59.4</td>
            <td bgcolor="#c0c0c0" align="left">$D</td>
        </tr>
        <tr>
            <td align="left">F</td>
            <td align="left">< 49.5</td>
            <td align="left">$F</td>
        </tr>
    </tbody>
</table>
</center></div>
</div>@
qu.2.5.answer=2@
qu.2.5.choice.1=$Alt1%@
qu.2.5.choice.2=$Ans%@
qu.2.5.choice.3=$Alt2%@
qu.2.5.choice.4=$Alt3%@
qu.2.5.fixed=@

qu.3.topic=Boxplots@

qu.3.1.mode=Multiple Choice@
qu.3.1.name=02. Boxplot & Distribution@
qu.3.1.comment=@
qu.3.1.editing=useHTML@
qu.3.1.solution=@
qu.3.1.algorithm=$Q=2;@
qu.3.1.uid=593ed4d3-54c9-4905-8f3e-a600585df37e@
qu.3.1.info=  Difficulty=1;
  Keyword=boxplot;
  Course=202;
@
qu.3.1.question=<div title="UW Statistics Bank/Graphical Analysis/Boxplots/Q$Q">Given the following boxplot where <em>m</em> is the median value, what statement could be<br />
made about the distribution of the data?
<p><img src="__BASE_URI__GA/BoxPlots/BoxplotSymmetric.gif" title="Boxplot [IMG:BoxplotSymmetric.gif]" alt="Boxplot" /></p>
</div>@
qu.3.1.answer=1@
qu.3.1.choice.1=The distribution is approximately symmetric.<br><img src="__BASE_URI__GA/BoxPlots/DistributionA.gif">@
qu.3.1.choice.2=The distribution is positively skewed.<br><img src="__BASE_URI__GA/BoxPlots/DistributionB.gif">@
qu.3.1.choice.3=The distribution is negatively skewed.<br><img src="__BASE_URI__GA/BoxPlots/DistributionC.gif">@
qu.3.1.choice.4=No statement can be made about the data because no data values are shown on the plot.@
qu.3.1.fixed=3@

qu.3.2.mode=Matching@
qu.3.2.name=04. Match boxplot descriptors@
qu.3.2.comment=@
qu.3.2.editing=useHTML@
qu.3.2.solution=@
qu.3.2.algorithm=$Q=4;@
qu.3.2.uid=c4b188c5-48e9-47c9-a5c0-fb01fd418650@
qu.3.2.info=  Keyword=Boxplot;
  Course=202;
  Difficulty=3;
@
qu.3.2.format.columns=3@
qu.3.2.question=<div title="UW Statistics Bank/Graphical Analysis/Boxplots/Q$Q"><img width="607" height="247" title="Boxplot [IMG:BoxplotLabelled.gif]" alt="Boxplot" src="__BASE_URI__GA/BoxPlots/BoxplotLabelled.gif" /><br />
Match each of the numbered items in the list with the numbers in the drop-down menus:</div>@
qu.3.2.term.1=A.@
qu.3.2.term.1.def.1=Potential outlier@
qu.3.2.term.2=B.@
qu.3.2.term.2.def.1=minimum@
qu.3.2.term.3=C.@
qu.3.2.term.3.def.1=Q1@
qu.3.2.term.4=D.@
qu.3.2.term.4.def.1=median@
qu.3.2.term.5=E.@
qu.3.2.term.5.def.1=Q3@
qu.3.2.term.6=F.@
qu.3.2.term.6.def.1=maximum@

qu.3.3.mode=Multiple Choice@
qu.3.3.name=01. Boxplots@
qu.3.3.comment=@
qu.3.3.editing=useHTML@
qu.3.3.solution=@
qu.3.3.algorithm=$Q=1;
$SayA=switch(rint(3),"the mean of the first set of data must be larger than the mean of the second set of data","the mean of the second set of data must be larger than the mean of the first set of data","the means of the data sets must be equal");
$SayB=switch(rint(3),"the median of the first set of data must be larger than the median of the second set of data","the median of the second set of data must be larger than the median of the first set of data","the medians of the data sets must be equal");
$SayC=switch(rint(4),"the second set of data must contain several outliers","the first set of data must contain several outliers","both sets of data must contain several outliers","neither set of data can contain  outliers");@
qu.3.3.uid=635999ef-473f-490d-bc20-df90d7d95a53@
qu.3.3.info=  Difficulty=1;
  Keyword=boxplot;
  Course=202;
@
qu.3.3.question=<div title="UW Statistics Bank/Graphical Analysis/Boxplots/Q$Q"><img width="131" hspace="4" height="96" align="left" src="__BASE_URI__GA/BoxPlots/Boxplot.gif" alt="Boxplot" title="Boxplot [IMG:Boxplot.gif]" />If the boxplot for one set of data is much wider than the boxplot for a second set of data, then</div>@
qu.3.3.answer=4@
qu.3.3.choice.1=$SayA@
qu.3.3.choice.2=$SayB@
qu.3.3.choice.3=$SayC@
qu.3.3.choice.4=none of the above need to be true@
qu.3.3.fixed=3@

qu.3.4.mode=Multiple Choice@
qu.3.4.name=03. Boxplot & 50% of data@
qu.3.4.comment=@
qu.3.4.editing=useHTML@
qu.3.4.solution=@
qu.3.4.algorithm=$Q=3;
$SayB=switch(rint(3),"There are no outliers.","The outliers are equally balanced.","The outliers shown can be discarded for analysis purposes.");
$SayC=switch(rint(3),"The mean is greater than the median.","The mean and median are the same.","The mean is greater than the median.");
$SayD=switch(rint(3),"25% of the data is less than 30 in value.","25% of the data is greater than 80 in value.","75% of the data points fall between 45 and 60.");@
qu.3.4.uid=2ae91fe5-eba4-41b9-bb37-222d67c15782@
qu.3.4.info=  Difficulty=1;
  Keyword=boxplot;
  Course=202;
@
qu.3.4.question=<div title="UW Statistics Bank/Graphical Analysis/Boxplots/Q$Q">For the boxplot shown, which of the following is true?<img width="221" hspace="4" height="376" align="right" alt="Boxplot" src="__BASE_URI__GA/BoxPlots/BoxplotA.gif" title="Boxplot [IMG:BoxplotA.gif]"/></div>@
qu.3.4.answer=1@
qu.3.4.choice.1=50% of the data lies between 40 and 70.@
qu.3.4.choice.2=$SayB@
qu.3.4.choice.3=$SayC@
qu.3.4.choice.4=$SayD@
qu.3.4.fixed=@

qu.4.topic=Stem & Leaf@

qu.4.1.mode=Multiple Choice@
qu.4.1.name=02. Median@
qu.4.1.comment=<p>First count how many marks are recorded - in this case that is $HowMany. Since that is an odd number the median will be the actual middle value, so count past the first $Half numbers to find $Ans.</p>@
qu.4.1.editing=useHTML@
qu.4.1.solution=@
qu.4.1.algorithm=$Q=2;
$Which=1+rint(6);
$Align=switch(rint(2),"Left","Right");
$Pick3=rint(3);
$B2=switch(rint(2),"1</td><td>2</td><td>2</td><td></td><td></td><td></td><td></td><td>","0</td><td>3</td><td>3</td><td></td><td></td><td></td><td></td><td>");
$B3=switch($Pick3,"2</td><td>3</td><td>5</td><td>8</td><td>8</td><td>8</td><td>9</td><td>9","2</td><td>3</td><td>5</td><td>8</td><td>8</td><td>8</td><td>","1</td><td>3</td><td>5</td><td>6</td><td>7</td><td>8</td><td>9</td><td>9");
$B4=switch(rint(2),"0</td><td>5</td><td>7</td><td>8</td><td></td><td></td><td></td><td>","0</td><td>5</td><td>7</td><td>9</td><td></td><td></td><td></td><td>");
$B5="0</td><td>9</td><td></td><td></td><td></td><td></td><td></td><td>";
$B6="2</td><td>4</td><td>7</td><td>7</td><td></td><td></td><td></td><td>";
$Ans=if(eq($Pick3,1),40,39);
$HowMany=if(eq($Pick3,1),19,21);
$Half=int($HowMany/2);
$Alt1=if(eq($Pick3,0),38,if(eq($Pick3,1),42.5,40));
$Alt2=switch(rint(2),35,50);
$Alt3=switch(rint(2),39.5,40.5);@
qu.4.1.uid=bd4f7093-5643-43a5-8084-4dc103bc6c34@
qu.4.1.info=  Difficulty=1;
  Keyword=stem and leaf;
  Course=202;
  Type=MC;
@
qu.4.1.question=<p><img align="$Align" src="__BASE_URI__GA/StemAndLeaf/SL$Which.gif" alt="Stem &amp; Leaf" title="Stem &amp; Leaf [IMG:SL$Which.gif]" /></p>
<div title="UW Statistics Bank/Graphical Analysis/Stem &amp; Leaf/Q$Q">A Statistics test is given to a class. Marks lie between 20 and 69. The following Leaf &amp; Stem diagram shows the mark distribution. What is the median for this test?
<p>
<table>
    <tbody>
        <tr>
            <td>2</td>
            <td>|</td>
            <td>$B2</td>
        </tr>
        <tr>
            <td>3</td>
            <td>|</td>
            <td>$B3</td>
        </tr>
        <tr>
            <td>4</td>
            <td>|</td>
            <td>$B4</td>
        </tr>
        <tr>
            <td>5</td>
            <td>|</td>
            <td>$B5</td>
        </tr>
        <tr>
            <td>6</td>
            <td>|</td>
            <td>$B6</td>
        </tr>
    </tbody>
</table>
</p>
</div>@
qu.4.1.answer=1@
qu.4.1.choice.1=$Ans@
qu.4.1.choice.2=$Alt1@
qu.4.1.choice.3=$Alt2@
qu.4.1.choice.4=$Alt3@
qu.4.1.fixed=@

qu.4.2.mode=Multiple Choice@
qu.4.2.name=01. Stem & Leaf I@
qu.4.2.comment=<p>The "leaves" show you the scores that fall in the stem's decade. For example the scores between $Feedback..</p>@
qu.4.2.editing=useHTML@
qu.4.2.solution=@
qu.4.2.algorithm=$Q=1;
$Alt1=switch(rint(2),"There are no gaps in the data.","Twelve students scored 4/10.");
$Alt2=switch(rint(3),"The data is bimodal.","The data is circumcentric.","Of the 29 students who took the test, twelve scored between 40 and 49.");
$Alt3=switch(rint(3),"The range of grades is between 23 and 98.","The range of grades is between 21 and 89.","Of the 29 students who took the test, six scored between 50 and 59.");
$Pick=rint(3);
$Ans=switch($Pick,"six scored between 70 and 79","nine scored between 80 and 89","two scored between 50 and 59");
$Feedback=switch($Pick,"70 and 79 are 73, 74, two 75s, 76 and 79 (six in total).","80 and 89 are 80, two 81s, 83, 84, two 85s, 88, and 89 (nine in total).","50 and 59 are 51 and 55 (two in total).");@
qu.4.2.uid=2f4e8961-f985-4f7e-90a3-09f092f3e311@
qu.4.2.info=  Difficulty=1;
  Keyword=stem and leaf;
  Course=202;
  Type=MC;
@
qu.4.2.question=<div title="UW Statistics Bank/Graphical Analysis/Stem &amp; Leaf/Q$Q">Choose the correct statement describing the following stem and leaf plot for grades on a linear algebra exam.
<p><img width="291" height="237" title="Stem &amp; Leaf Plot [IMG:StemAndLeaf1.gif]" alt="Stem &amp; Leaf Plot" src="__BASE_URI__GA/StemAndLeaf/StemAndLeaf1.gif" /></p>
</div>@
qu.4.2.answer=2@
qu.4.2.choice.1=$Alt1@
qu.4.2.choice.2=Of the 29 students who took the exam, $Ans@
qu.4.2.choice.3=$Alt2@
qu.4.2.choice.4=$Alt3@
qu.4.2.fixed=@

