Agenda - 04-21-1998 - 10b - Laserfiche WebLink

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18 The results for units by number of bedrooms are interesting. As expected, the rates for apartments with one bedroom, the smallest dwelling units, are the lowest while the rates for houses with four or more bedrooms are the highest. The overall difference is about one adult and one child more living in single - family houses with four or more bedrooms compared to one - bedroom apartments. On the other hand, the rates for two- and three - bedroom apartments compared to two- and three - bedroom houses are quite similar. Two - bedroom apartments appear to generate more population and school -aged children than two - bedroom houses. However, these differences. are not statistically significant. For example, the t statistics comparing number of persons per dwelling unit and number of children per dwelling unit in two - bedroom apartments and in two - bedroom houses are 1.00 and 0.30, respectively. Significant t statistics have values of about 2.00 or more. The average values for three - bedroom apartments are higher than the values for three - bedroom houses and usually lower than the values for houses with four or more bedrooms. The statistical analysis indicates that the former differences are significant while the latter differences are not. For example, three - bedroom apartments generate greater impacts than three bedroom houses for persons per unit and children per unit. The t statistics are 3.35 and 2.13, respectively. On the other hand the comparable t statistics for three - bedroom apartments compared to houses with four bedrooms or more are 0.83 for persons per unit and 1.35 for number of children per unit. Also, three - bedroom apartments and houses with four or more bedrooms have the same impact on the public schools. (The average rates for grades K -12 are 0.755 for both.) Although the survey collected no information on income, households in three - bedroom apartments are probably less affluent than households in three - bedroom or four - bedroom houses. The results for apartments compared to single - family houses are consistent with these detailed comparisons on the basis of number of bedrooms because of the mix of dwelling units found in most recent developments. Apartment complexes are dominated by one - bedroom and two - bedroom units, which are developed much more frequently than three - bedroom units. On the other hand, new subdivisions rarely contain two - bedroom dwellings. Residential development is dominated by houses with three bedrooms or more. Thus, the weighted average impact of apartment complexes is significantly less than the impact of the same number of single - family dwelling units.