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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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44 |
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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62 |
}
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\source{
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63 |
\source{
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| 64 |
\url{https://pbil.univ-lyon1.fr/R/donnees/criminals1902.txt}
|
64 |
\url{https://pbil.univ-lyon1.fr/R/donnees/criminals1902.txt}
|