Einführung in die Volkswirtschaftslehre

Répertoire des administrateurs & commissaires de société, des banques, banquiers et agents de change de France et de Belgique

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Monograph

Identifikator:: 1024891038

URN:: urn:nbn:de:zbw-retromon-59598

Document type:: Monograph

Author:: Wygodzinski, Willy http://d-nb.info/gnd/117348171

Title:: Einführung in die Volkswirtschaftslehre

Edition:: Dritte, durchgearbeitete Auflage

Place of publication:: Leipzig

Publisher:: Verlag von Quelle & Meyer

Year of publication:: 1920

Scope:: 1 Online-Ressource (149 Seiten)

Collection:: Economics Books

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400 THEORY OF STATISTICS. CHAPTER III. 1. Deaf-mutes from childhood per million among males 222; among females 183 ; there is therefore positive association between deaf-mutism and male sex : if there had been no association between deaf-mutism and sex, there would have been 3176 male and 3393 female deaf-mutes. 2. (a) positive association, since (4.B),=1457. (b) negative association, since 294/490=3/5, 380/570 =2/3. (¢) independence, since 256/768 =1/3, 48/144=1/3. 2 Percentage of Plants above the Average Height, Parentage Crossed. Self-fertilised. Ipomea purpurea. : . . 86 per cent. 25 per cent. Petunia violacea . . EE 17 a Reseda lutea . . Sa Dahl Reseda odorata . . «571 AT Lobelia fulgens . : i500 + 35 a The association is much less for the species at the end than for those at the beginning of the list. 4, Percentage of dark-eyed amongst the sons of dark-eyed fathers 39 per cent. Percentage of dark-eyed amongst the sons of not dark-eyed fathers 10 per cent. If there had been no heredity, the frequencies to the nearest unit would have been (4B), 18, (48), 111, (aB), 121, (aB), 750. 5. Percentage of light-eyed amongst the wives of light-eyed husbands 59 per cent. Percentage of light-eyed amongst the wives of not light-eyed husbands 53 per cent, If there had been no association : (4B),=298, (AB),=225, (aB)y=143, (aB), =1108. 6. The following are the proportions of the insane per thousand in successive age groups :— In general population: 09, 2-3, 41, 57, 69, 7°5, 727,16:8. Amongst the blind : 20-1, 160,.16°3, 20:7, 18:3, 17-8, 114, 5°3. Note the diminishing association, which is especially clear in the age-group 65—, and the negative association in the last age-group The association coefficient gives the values below, which decrease continuously :— Association coefficient: +092, +075, +0°61, +057, +046, +0°41, +020, — 0°13. CHAPTER IV. 1. (D)/N = 6°9 per cent. (4)/N = 6-8 per cent. (AD)j(4) =450 (AD)(D) =446 (BD)/(B) = 86 (4p)/(B) = &T (48D)/(4B) =412 ,, (4BD)/(BD) =54'9 (BD)/(B) =42T (4B)[(B) =292 (4BD)/(AB)=516 ,, (4BD)/(BD)=85'3 ,, The above give two legitimate comparisons. The general results are the same as for the boys, ¢.e. a very small association between development-defects and dulness amongst those exhibiting nerve-signs, as compared with those who do

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