Hansische Beiträge zur deutschen Wirtschaftsgeschichte

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Monograph

Identifikator:: 1782566376

URN:: urn:nbn:de:zbw-retromon-169787

Document type:: Monograph

Author:: Rörig, Fritz http://d-nb.info/gnd/116593113

Title:: Hansische Beiträge zur deutschen Wirtschaftsgeschichte

Place of publication:: Breslau

Publisher:: Hirt

Year of publication:: 1928

Scope:: 284 S.; Kt.

Digitisation:: 2022

Collection:: Economics Books

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Chapter

Document type:: Monograph

Structure type:: Chapter

Title:: II. Der Markt von Lübeck. Topographisch-statistische Untersuchungen zur deutschen Sozial- und Wirtschaftsgeschichte

Collection:: Economics Books

1: THEORY OF STATISTICS. 6. (Data from census of 1901.) The table below shows the population of the rural sanitary districts of Essex, the urban sanitary districts (other than the borough of West Ham), and the borough of West Ham, at the censuses of 1891 and 1901. Estimate the total population of the county at a date midway between the two censuses, (1) on the assumption that the percentage rate of increase is constant for the county as a whole, (2) on the assumption that the percentage rate of increase is constant in each group of districts and the borough of West Ham. Population. Es<ex, 5 1891. 1901. Rural districts . 232,867 240,776 West Ham . ; . . 204,903 267,358 Other urban districts . 345,604 575,864 Total 783,374 1,083,998 7. (Data from Agricultural Statistics for 1905, Cd. 8061, 1906.) The following statement shows the monthly average prices of eggs in Great Britain in 1905, as compiled from the weekly returns of market prices for first and second quality British eggs, per 120 :— First Second Benth. Quality. Quality. snd. snd. January . > . 13 Opry 11 0 February . . . 110: 90 March . ; ; : 890 Bao Aprilia. 3 ; . 7 13 Mays =, L a 2 i June . : . oe To ; July . . . i . August . 3 . IE 10 9 September . : TIES ERIE 1048 October . 2 : . 14 0 12:3 November . ‘ : 18 0 16 0 December . : 1756 15 0 Mean for year 11 5% | 10 0% What would have been the mean price for the year in each case if the whole- sale prices had been recorded in the same way as retail prices, 7.c. at so many eggs per shilling ? State your answer in the form of the equivalent price per 120, and obtain it in the shortest way by taking the harmonic mean of the above prices (¢f. § 27). : 8. Supposing the frequencies of values 0, 1, 2, . . . of a variable to be given by the terms of the binomial series n(n —1) a n.qr=1,p, w= Dp p8 so 6 8 where p+¢=1, find the mean. 32

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