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 <question type="category"><category><text>Normal Probability Distributions/Introduction to Normal Distributions and the Standard Normal Curve</text></category></question>
 
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    <name>
      <text>Question 08</text>
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      <text><![CDATA[<p><span style="font-family: 'Trebuchet MS', Verdana, Arial, Helvetica, sans-serif;">If a <em>z</em>-score is zero, which of the following must be true?</span></p>]]></text>
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    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
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      <text></text>
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    <answer fraction="0" format="html">
      <text><![CDATA[<p>The mean is 0.</p>]]></text>
      <feedback format="html">
        <text><![CDATA[<p>(c) is true because a z-score equal to zero indicates that the corresponding x-value is equal to the mean.</p>]]></text>
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    </answer>
    <answer fraction="0" format="html">
      <text><![CDATA[<p>The corresponding <em>x</em>-value is 0.</p>]]></text>
      <feedback format="html">
        <text><![CDATA[<p>(c) is true because a z-score equal to zero indicates that the corresponding x-value is equal to the mean.</p>]]></text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text><![CDATA[<p>The corresponding <em>x</em>-value is equal to the mean.</p>]]></text>
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        <text></text>
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