An Introduction to the theory of statistics

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Monograph

Identifikator:: 1751730271

URN:: urn:nbn:de:zbw-retromon-127610

Document type:: Monograph

Author:: Yule, George Udny http://d-nb.info/gnd/12910504X

Title:: An Introduction to the theory of statistics

Edition:: 8. ed. rev

Place of publication:: London

Publisher:: Griffin

Year of publication:: 1927

Scope:: XV, 422 S; Ill., Diagr

Digitisation:: 2021

Collection:: Economics Books

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Document type:: Monograph

Structure type:: Chapter

Title:: Part II. The theory of variables

Collection:: Economics Books

ot THEORY OF STATISTICS. TABLE VIIIA. CALCULATION OF THE PropUCT SUM I(&7). 2. 2 5. i Frequencies Products. Total. En. + my td Quadrants. Quadrants. Positive. Negative 215 20 15 1:5 Se 20 15 +-48:5 17 — 12 | Y +10 30 = 18 ! 1 +17 68 17°5 I +165 | 99 z 05 INS 12 15 1 +5015 45 0 4 05 + 35 35 32 = 2 32 ai 19 i == =i 15 2) Chel == 24 + 24 28 28 Totals 100°5 fr +334 ‘ 415 — 44 93 si SR +280 ors then entered in column 4, treating the frequencies in column 3 as if they were themselves negative, and finally the figures of column 4 are multiplied by the values of & and the products entered in column 5 or 6 according to sign. The algebraic sum of the totals of columns 5 and 6 = + 290 =3(£y7). Whence p’ =3(&y)/N =1234, To find the value of p we have, remembering that we are working with class-intervals as the unit, &j= — (0-153 x 0-36) = — 0-055 p=p —&=123440055= + 1-289 1-289 T= OT wo98= T 0-34. The regression of pauperism on out-relief ratio is, reverting to 1 per cent. as the unit of pauperism instead of the class-interval, 184 . 41H — 44 OL

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