
\documentclass[margin=10pt]{standalone}
\usepackage{pgfplots}
\usepgfplotslibrary{statistics}
\begin{document}
                  
\pgfplotsset{width=15cm, height=10.5cm, compat=1.8}
\begin{tikzpicture}
    \begin{axis}[
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    xlabel=1,
    ytick={1,2,3,4,5,6,7},
    yticklabels={ghc-7.0.1\\ghc-7.2.1\\ghc-7.4.1\\ghc-7.6.1\\ghc-7.8.1\\ghc-7.10.1\\ghc-8.0.1\\},
    max space between ticks=50pt
    ]
        \addplot+[
        boxplot prepared={
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            upper quartile=1.0,
            lower quartile=1.0,
            upper whisker=1.0,
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        \addplot+[
        boxplot prepared={
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            upper whisker=1.0177802477471858,
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        \addplot+[
        boxplot prepared={
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        \addplot+[
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        \addplot+[
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            lower quartile=0.9372321479648386,
            upper whisker=0.9372321479648386,
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        \addplot+[
        boxplot prepared={
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        \addplot+[
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            upper whisker=0.9073075574129712,
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    \end{axis}
\end{tikzpicture}
        
\end{document}
