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Survey of Market Absorption of Apartments (SOMA)
SOMA Main Overview Upcoming Release Dates Previously Released Data Reports FAQ

Annual 2005 Absorptions:

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Table A-2. Standard Errors of Estimated Totals: Completions in 1985

(2 chances out of 3)



    Estimated     Standard      Estimated       Standard

        total        error          total          error



         5,000       1,430         75,000            5,720

        10,000       2,030        100,000            6,650

        15,000       2,500        150,000            8,310

        20,000       2,880        250,000           11,110

        25,000       3,240        350,000           13,590

        35,000       3,830        450,000           15,890

        50,000       4,620        600,000           19,180





Table B-2. Standard Errors of Estimated Percentages: Completions in 1985

(2 chances out of 3)



              98       95      90       80      75

 Base of      or       or      or       or      or    

percentage     2        5      10       20      25      50 



   5,000     4.0      6.3     8.5     11.4    12.4    14.3

  10,000     2.9      4.3     6.1      8.1     8.7    10.0

  15,000     2.3      3.5     5.0      6.6     7.1     8.2

  20,000     1.9      3.1     4.3      5.8     6.1     7.1

  25,000     1.8      2.7     3.9      5.2     5.5     6.4

  35,000     1.5      2.4     3.2      4.3     4.7     5.5

  50,000     1.3      1.9     2.7      3.5     3.9     4.5

  75,000     1.0      1.6     2.3      2.9     3.2     3.7

 100,000     1.0      1.5     1.9      2.6     2.7     3.2

 150,000     0.8      1.1     1.6      2.1     2.3     2.6

 250,000     0.6      0.8     1.3      1.6     1.8     2.1

 350,000     0.5      0.8     1.0      1.3     1.5     1.8

 450,000     0.5      0.6     1.0      1.1     1.3     1.5

 600,000     0.3      0.6     0.8      1.0     1.1     1.3