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<quiz>
 <!-- categoryid: 1658 -->
 <question type="category"><category><text>2º ESO/UNIDADES Y MATERIA/ERRORES/BILINGÜE</text></category></question>
 
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 <question type="truefalse">
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      <text>By doing repeated measurements with a systematic affect, the better estimate you can expect.</text>
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      <text><![CDATA[<p>By doing repeated measurements with a systematic affect, the better estimate you can expect.</p>]]></text>
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    <defaultgrade>1.0000000</defaultgrade>
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      <text>true</text>
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      <text>false</text>
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  </question>
 
 <!-- resourceid-resourcedataid: 18176-14987 -->
 <question type="matching">
    <name>
      <text>Rank the following measurements in order from the most precise to the least precise based on the relative uncertainty implied by each value:</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p>Rank the following measurements in order from the most precise to the least precise based on the relative uncertainty implied by each value:</p>]]></text>
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      <text></text>
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      <text><![CDATA[<p>9.7 m</p>]]></text>
      <answer>
        <text>1</text>
      </answer>
    </subquestion>
    <subquestion format="html">
      <text><![CDATA[<p>13 m</p>]]></text>
      <answer>
        <text>4</text>
      </answer>
    </subquestion>
    <subquestion format="html">
      <text><![CDATA[<p>1.45 m</p>]]></text>
      <answer>
        <text>1</text>
      </answer>
    </subquestion>
    <subquestion format="html">
      <text><![CDATA[<p>2.1 m</p>]]></text>
      <answer>
        <text>3</text>
      </answer>
    </subquestion>
    <subquestion format="html">
      <text><![CDATA[<p>0.005 m</p>]]></text>
      <answer>
        <text>5</text>
      </answer>
    </subquestion>
  </question>
 
 <!-- resourceid-resourcedataid: 18177-14988 -->
 <question type="multichoice">
    <name>
      <text>The difference between statistical error and systematic error is best described by which of the following?</text>
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    <questiontext format="html">
      <text><![CDATA[<p>The difference between <em>statistical error</em> and <em>systematic error</em> is best described by which of the following?</p>]]></text>
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    <single>true</single>
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    <answer fraction="-33.33333" format="html">
      <text>Statistical error is due to an introduced bias, while systematic error is due to random fluctuations.</text>
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        <text></text>
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    <answer fraction="100" format="html">
      <text>Statistical error is due to random fluctuations, while systematic error is due to an introduced bias.</text>
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      <text>Statistical error can be eliminated, while systematic error cannot.</text>
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    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Statistical error is due to statistics, while systematic error is due to the system.</text>
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    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18178-14989 -->
 <question type="multichoice">
    <name>
      <text>To find the best estimate of the true value for the length of a stick of rock</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p>To find the best estimate of the true value for the length of a stick of rock</p>]]></text>
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      <text></text>
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    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
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    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
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      <text></text>
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      <text></text>
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    <answer fraction="0" format="html">
      <text>Take ten measurements and see which is the most common</text>
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      </feedback>
    </answer>
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      <text>Measure once with a really accurate ruler</text>
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        <text></text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>Take ten measurements, add them together and divide by the number of measurements</text>
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        <text></text>
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    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Take ten measurements, add them together and square the answer</text>
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        <text></text>
      </feedback>
    </answer>
  </question>
 </quiz>
