Lo THEORY OF STATISTICS.
(35) StEAD, H. G., “The Correction of Correlation Coefficients,” Jour. Roy.
Stat. Soc., vol. Ixxxvi., 1923, p. 412.
Standardisation or Correction of Death-rates (p. 226).
For the methods of standardisation in present use in England and
Wales see—
(36) Seventy-fourth Annual Report of the Registrar-General of Births, Deaths,
and Marriages in England and Wales (1911). [Cd. 6578, 1913.]
Reference may also be made to—
(37) WorreNDEN, H. H., “On the Methods of comparing the Mortalities of
Two or More Communities, and the Standardisation of Death-rates,”
Jour. Roy. Stat. Soc., vol. 1xxxviii., 1923, p- 399.
Correlation : Time-problem (p. 208) and Miscellaneous (p. 226).
(38) HARRIS, J. ARTHUR, ‘‘The Correlation between a Component, and
between the Sum of Two or More Components, and the Sum of the
Remaining Components of a Variable,” Quart. Pub. American Stat.
4ss., vol. xv., 1917, p. 854.
(39) YULE, G. U., “On the Time-correlation Problem,” Jour. Roy. Stat. Soc.,
vol. xxxiv., 1921, p. 497.
(40) WicksELL, S. D., ‘“ An Exact Formula for Spurious Correlation,” Metron,
vol. i., No, 4, 1921, p. 33.
(41) PearsoN, KARL, and E. M. ELDERTON, ‘On the Variate Difference
Method,” Biometrika, vol. xiv., 1928, p- 281.
(42) ANDERSON, O,, ‘‘Ueber ein neues Verfahren bei Anwendung der
‘ Variate-Difference’ Methode,” Biometrika, vol. xv., 1923, p. 134.
(43) YuLg, G. U., “ Why do we sometimes get Nonsense Correlations
between Time-Series?! A Study in Sampling and the Nature of
Time-Series,” Jour. Roy. Stat. Soc., vol. Ixxxix., 1926, p. 1.
(44) ANDERSON, O., ‘“ Ueber die Anwendung der Differenzenmethode
(Variate Dillerence Method) bei Reihenausgleichungen, Stabilitits-
untersuchungen, und Korrelationsmessungen,” Biometrika, vol. Xviti,,
1926, p. 293.
Partial Correlation and Partial Correlation Ratio (p- 252).
(45) Kerrey, T. L., “Tables to facilitate the Calculation of Partial Coeffi-
cients of Correlation and Regression Equations,” Bulletin of the
University of Texas, No. 27, 1916. (Tables giving the values of
1 Ja -ri3)(1 —~ 755) and 7y50y,/ A (1 —153)(1 = 753).
(46) PEARSON, KARL, “On the Partial Correlation Ratio,” Proc. Roy. Soc.,
Series A, vol. xci., 1915, p. 492.
(47) IssErLis, L., “On the Partial Correlation Ratio ; Part ii,, Numerical,”
Biometrika, vol. xi, 1916-17, p- 50.
(48) MINER, J. R., Tables of \/1—12 and 1 = 12 for use in partial Correlation,
etc., The Johns Hopkins Press, Baltimore, 1922. (Six-figure tables.)
(49) Kerrey, FOL. and ES, SALISBURY, ‘“ An Iteration Method for
determining Multiple Correlation Constants,” Jour. Amer. Stat. Assoc.
vol. xxi., 1926, p..282.
Sampling of Attributes (p. 273).
(50) DETLEFSEN, J. A., ¢ Fluctuations of Sampling in a Mendelian Popula-
tion,” Genetics, vol. iii., 1918, p. 599.
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