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Median Rooms
This current release of Median Room data has changed from the previous release, and table H021 and profile table 4, Profile of Selected Housing Characteristics, have been corrected as of March 25, 2002. Only the corrected versions of these tables are available.
In computing median rooms, the whole number is used as the midpoint of the interval; thus the category "3 rooms" is treated as an interval ranging from 2.5-3.5 rooms. Linear interpolation is used to estimate median rooms between the lower and upper bounds of a specified interval. Median rooms is rounded to the nearest tenth.
In the previous release of the American Community Survey data, the midpoint, rather than the lower value of the interval, was incorrectly used as the starting value for the derivation of median rooms. For the category "3 rooms," we previously used the interval 3.0-4.0 rooms.
Page Last Revised - October 20, 2021
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