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Survey of Market Absorption of Apartments (SOMA)
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Annual 2003 Absorptions
Table A-1. Standard Errors of Estimated Totals: Completions in 1986 to 2002
(2 chances out of 3)
Estimated Standard Estimated Standard
total error total error
1,000 500 35,000 3,200
2,000 800 50,000 3,800
3,000 900 75,000 4,700
4,000 1,100 100,000 5,400
5,000 1,200 150,000 6,600
10,000 1,700 250,000 8,500
15,000 2,100 350,000 10,100
20,000 2,400 450,000 11,400
25,000 2,700 600,000 13,200
Table B-1. Standard Errors of Estimated Percentages: Completions 1986 to 2001
(2 chances out of 3)
98 95 90 80 75 60
Base of or or or or or or
percentage 2 5 10 20 25 40 50
1,000 7.5 11.7 16.1 21.5 23.3 26.3 26.9
2,000 5.3 8.3 11.4 15.2 16.5 18.6 19.0
3,000 4.3 6.8 9.3 12.4 13.4 15.2 15.5
4,000 3.8 5.9 8.1 10.8 11.6 13.2 13.4
5,000 3.4 5.2 7.2 9.6 10.4 11.8 12.0
10,000 2.4 3.7 5.1 6.8 7.4 8.3 8.5
15,000 1.9 3.0 4.2 5.6 6.0 6.8 6.9
20,000 1.7 2.6 3.6 4.8 5.2 5.9 6.0
25,000 1.5 2.3 3.2 4.3 4.7 5.3 5.4
35,000 1.3 2.0 2.7 3.6 3.9 4.5 4.5
50,000 1.1 1.7 2.3 3.0 3.3 3.7 3.8
75,000 0.9 1.4 1.9 2.5 2.7 3.0 3.1
100,000 0.8 1.2 1.6 2.2 2.3 2.6 2.7
150,000 0.6 1.0 1.3 1.8 1.9 2.2 2.2
250,000 0.5 0.7 1.0 1.4 1.5 1.7 1.7
350,000 0.4 0.6 0.9 1.1 1.2 1.4 1.4
450,000 0.4 0.6 0.8 1.0 1.1 1.2 1.3
600,000 0.3 0.5 0.7 0.9 1.0 1.1 1.1
Go to Annual 2003 Absorptions
Contact Alan Friedman at 301-763-3199 or mail to alan.friedman@census.gov
for further information on the Survey of Market Absorption of Apartments Data.
Source: U.S. Census Bureau, Housing and Household Economic Statistics Division
Last Revised: November 15, 2004
