View source for Yates correction

A continuity correction used in certain problems in mathematical statistics (e.g. in the problem of testing statistical independence). It is used to improve the approximation by a <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/y/y099/y099040/y0990401.png" />-distribution of the <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/y/y099/y099040/y0990402.png" />-test statistic (cf. also [[Chi-squared distribution| Chi-squared  distribution]]; [[Chi-squared test| Chi-squared  test]]). It was proposed by J. Yates [[#References|[1]]].

====References====
<table><TR><TD valign="top">[1]</TD> <TD valign="top">  J. Yates,   ''Trans. Roy. Stat. Soc.'' , '''1'''  (1934)  pp. 217</TD></TR><TR><TD valign="top">[2]</TD> <TD valign="top">  H. Cramér,   "Mathematical methods of statistics" , Princeton Univ. Press  (1946)</TD></TR></table>