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!exit
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!exit
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:output
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:output
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<center>
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<p class="wimscenter">
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Harmonic mean =
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Harmonic mean =
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!htmlmath $result
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!htmlmath $result
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</center> <p>
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</p>
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Data: $cnt numbers { $formula }
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Data: $cnt numbers { $formula }
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<p>
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<p>
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The <em>harmonic mean</em> of {<i>x</i><sub>1</sub>,
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The <em>harmonic mean</em> of
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<i>x</i><sub>2</sub>, ..., <i>x<sub>n</sub></i>} is equal to
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\(\{x_1, x_2, ..., x_n\}\)
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is equal to
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!set ins_align=middle
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!set ins_align=middle
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!instex $$$$ n\over \sum_{i=1}^n {1\over x_i} $$$$
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!insmath \frac{n}{\sum_{i=1}^n \frac{1}{ x_i}}
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&nbsp;.
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&nbsp;.
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</p>
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!exit
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!exit
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