| 释义 |
non-ˈnormal, a.
[non- 3.]
Not normal; spec. in Statistics (cf. normal a. and n. A. 2 e).
1929Biometrika XXI. 124 (heading) On the distribution of the ratio of mean to standard deviation in small samples from non-normal universes. 1966English Studies XLVII. 194 In this last phrase [sc. ‘Mallice domestique’] the contrasting adjective ‘domestique’, given emphasis by its non-normal position, brings into full prominence the ‘hatred’ which the noun contains. 1968P. A. P. Moran Introd. Probability Theory vii. 300 The distributions..converge to a proper distribution, F(x), which can be chosen to be non-normal if the theorem is false. 1973J. J. Zeman Modal Logic ix. 146 The PC connectives behave in non-normal worlds precisely as they do in normal ones.
So ˌnon-norˈmality, the property or state of being non-normal.
1935Proc. Cambr. Philos. Soc. XXXI. 230 The test of significance of a correlation coefficient has been shown..to be little vitiated by non-normality. 1962E. S. Keeping Introd. Statistical Inference viii. 208 If there is reason to suspect non-normality, from the nature of the data, it is advisable to try a transformation. The logarithm of the variate, or the square root,..may be more nearly normal. 1968Brit. Med. Bull. XXIV. 212/1 The emphasis placed so far on non-Normality is somewhat misleading, in that other kinds of departure from the usual statistical model are often more important. |