2008 Confidence Interval Detail
015/Bexar
015-901/Alamo Heights ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 836,478,866 | 0.9617 | 869,791,896 | 70 | 3,671 | .011440511 |
| A | 920,205,591 | 0.9692 | 949,448,608 | 70 | 2,196 | .009978250 |
| A | 922,846,354 | 0.9684 | 952,959,886 | 46 | 1,392 | .005098672 |
| A | 1,061,565,541 | 0.9811 | 1,082,015,637 | 25 | 780 | .003485935 |
| F1 | 244,000,086 | 0.9952 | 245,176,935 | 7 | 269 | .002810785 |
| F1 | 207,476,025 | 0.8780 | 236,305,268 | 6 | 35 | .011976288 |
| F1 | 215,398,847 | 1.0057 | 214,178,032 | 5 | 16 | .002409878 |
| F1 | 334,307,796 | 1.0347 | 323,096,353 | 5 | 11 | .008081518 |
| L1 | 77,585,976 | 0.9945 | 78,015,059 | 7 | 501 | .025405676 |
| L1 | 75,516,497 | 1.0808 | 69,870,926 | 6 | 61 | .018557168 |
| L1 | 168,693,148 | 1.0314 | 163,557,444 | 6 | 21 | .005652757 |
| Random Totals: | 5,064,074,727 | 5,184,416,044 | 253 | 8,953 | ||
| Total Test Values (4): | 5,064,074,727 | 5,184,416,044 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 259,220,802 |
Confidence Interval Values (5)
| State Lower Limit: | 4,925,195,242 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 5,064,074,727 | (Within Confidence Interval) |
| State Upper Limit: | 5,443,636,846 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,855,884,841 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories