documentclass[a4paper]{standalone}

usepackage{pgfplots}
usepgfplotslibrary{statistics}
pgfplotsset{compat=1.8}

begin{document}

    begin{tikzpicture}
    begin{axis}[
    boxplot/draw direction=y,
    ylabel={AAAAA},
    height=6cm,
    ymin=0,ymax=7,
    cycle list={{red},{black}},
    boxplot={
        %
        % Idea:
        %  place the
        %  group 1 at 0.3333 and 0.6666
        %  group 2 at 1.3333 and 1.6666
        %  group 3 at 2.3333 and 2.6666
        %  ...
        % in a formular:
        draw position={1/3 + floor(plotnumofactualtype/2) + 1/3*mod(plotnumofactualtype,2)},
        %
        % that means the box extend must be at most 0.33333 :
        box extend=0.2
    },
    % ... it also means that 1 unit in x controls the width:
    x=1cm,
    % ... and it means that we should describe intervals:
    xtick={0,1,2,...,20},
    x tick label as interval,
    xticklabels={%
        {0.15},%
        {0.2},%
        {0.25},%
        {0.3},%
        {0.4},%
        {0.5},%
        {0.6},%
        {0.8},%
        {1.0},
    },
    x tick label style={
        text width=2.5cm,
        align=center
    },
    ]
    addplot
    table[row sep=\,y index=0] {
        data\
        2.764\
        2.938\
        2.075\
        1.493\
        1.285\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        1.175\
        2.813\
        2.006\
        3.893\
        2.012\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        1.621\
        3.659\
        6.357\
        2.851\
        1.416\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        2.280\
        1.482\
        1.787\
        2.326\
        1.795\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        2.778\
        2.388\
        1.016\
        1.328\
        1.151\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        1.028\
        1.571\
        4.090\
        3.875\
        1.890\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        1.405\
        1.188\
        4.330\
        3.665\
        1.439\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        2.937\
        1.320\
        1.357\
        1.852\
        1.215\
    };
    %----------------------%
    addplot
    table[row sep=\,y index=0] {
        data\
        2.778\
        2.388\
        1.016\
        1.328\
        1.151\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        1.028\
        1.571\
        4.090\
        3.875\
        1.890\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        1.405\
        1.188\
        4.330\
        3.665\
        1.439\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        2.937\
        1.320\
        1.357\
        1.852\
        1.215\
    };

%------------------------------%

        addplot
    table[row sep=\,y index=0] {
        data\
        1.405\
        1.188\
        4.330\
        3.665\
        1.439\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        2.937\
        1.320\
        1.357\
        1.852\
        1.215\
    };
    %----------------------%
    addplot
    table[row sep=\,y index=0] {
        data\
        2.778\
        2.388\
        1.016\
        1.328\
        1.151\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        1.028\
        1.571\
        4.090\
        3.875\
        1.890\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        1.405\
        1.188\
        4.330\
        3.665\
        1.439\
    };

    addplot
    table[row sep=\,y index=0] {
        data\
        2.937\
        1.320\
        1.357\
        1.852\
        1.215\
    };


    end{axis}
    end{tikzpicture}


end{document}