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  \dQuote{Before I had succeeded in solving my problem analytically,
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  \dQuote{Before I had succeeded in solving my problem analytically,
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    I had endeavoured to do so empirically.  The material used was a
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    I had endeavoured to do so empirically.  The material used was a
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    correlation table containing the height and left middle finger
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    correlation table containing the height and left middle finger
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    measurements of 3000 criminals, from a paper by
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    measurements of 3000 criminals, from a paper by
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    \bibcitet{|R:MacDonell:1902|p.\sspace{}219)}.
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    \bibcitet{|R:MacDonell:1902|p.\sspace{}219}.
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    The
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    The
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    measurements were written 
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    measurements were written 
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    out on 3000 pieces of cardboard, which were then very thoroughly
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    out on 3000 pieces of cardboard, which were then very thoroughly
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    shuffled and drawn at random.  As each card was drawn its numbers
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    shuffled and drawn at random.  As each card was drawn its numbers
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    were written down in a book, which thus contains the measurements of
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    were written down in a book, which thus contains the measurements of
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    difference between the mean of each sample and the mean of the
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    difference between the mean of each sample and the mean of the
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    population was then divided by the standard deviation of the sample,
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    population was then divided by the standard deviation of the sample,
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    giving us the \emph{z} of Section III.}
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    giving us the \emph{z} of Section III.}
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  The table is in fact page 216 and not page 219 in
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  The table is in fact page 216 and not page 219 in
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  \bibcitep{R:MacDonell:1902}.
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  \bibcitet{R:MacDonell:1902}.
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  In the \I{MacDonell} table, the middle finger lengths were given in mm
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  In the \I{MacDonell} table, the middle finger lengths were given in mm
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  and the heights in feet/inches intervals, they are both converted into
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  and the heights in feet/inches intervals, they are both converted into
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  cm here.  The midpoints of intervals were used, e.g., where \I{MacDonell}
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  cm here.  The midpoints of intervals were used, e.g., where \I{MacDonell}
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  has \eqn{4' 7''9/16 -- 8''9/16}, we have 142.24 which is 2.54*56 =
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  has \eqn{4' 7''9/16 -- 8''9/16}, we have 142.24 which is 2.54*56 =
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  2.54*(\eqn{4' 8''}).
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  2.54*(\eqn{4' 8''}).
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  \I{MacDonell} credited the source of data (page 178) as follows:
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  \I{MacDonell} credited the source of data (page 178) as follows:
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  \emph{The data on which the memoir is based were obtained, through the
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  \dQuote{The data on which the memoir is based were obtained, through the
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    kindness of Dr \I{Garson}, from the Central Metric Office, New Scotland Yard...}
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    kindness of Dr \I{Garson}, from the Central Metric Office, New Scotland Yard...}
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  He pointed out on page 179 that : \emph{The forms were drawn at random
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  He pointed out on page 179 that : \dQuote{The forms were drawn at random
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    from the mass on the office shelves; we are therefore dealing with a
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    from the mass on the office shelves; we are therefore dealing with a
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    random sampling.}
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    random sampling.}
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}
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}
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\source{
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\source{
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  \url{https://pbil.univ-lyon1.fr/R/donnees/criminals1902.txt}
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  \url{https://pbil.univ-lyon1.fr/R/donnees/criminals1902.txt}