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015/Bexar
2018 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 | 1,143,339,684 | 0.9731 | 1,174,945,724 | 49 | 3,492 | .016065701 |
| A | 1,300,135,759 | 0.9648 | 1,347,570,231 | 48 | 2,346 | .005814622 |
| A | 1,279,812,183 | 0.9755 | 1,311,955,083 | 50 | 1,465 | .012662074 |
| A | 1,260,567,475 | 0.9659 | 1,305,070,375 | 21 | 701 | .013392212 |
| B | 157,371,910 | 0.9951 | 158,146,829 | 11 | 118 | .001082896 |
| B | 90,600,000 | 1.0393 | 87,174,059 | 2 | 3 | .002585207 |
| B | 150,038,300 | 0.9855 | 152,245,865 | 2 | 4 | .000400497 |
| F1 | 377,459,328 | 0.9722 | 388,252,755 | 10 | 232 | .000779823 |
| F1 | 352,809,594 | 0.8962 | 393,672,834 | 9 | 38 | .020415085 |
| F1 | 356,182,111 | 1.0054 | 354,269,058 | 6 | 17 | .001112549 |
| F1 | 368,784,884 | 1.0036 | 367,462,021 | 4 | 9 | .000009489 |
| L1 | 64,116,134 | 0.9716 | 65,990,257 | 10 | 419 | .049718618 |
| L1 | 62,762,707 | 0.9895 | 63,428,708 | 12 | 90 | .021154851 |
| L1 | 67,063,650 | 1.0253 | 65,408,807 | 8 | 20 | .003029876 |
| L1 | 65,071,530 | 1.1587 | 56,159,083 | 4 | 6 | .000753482 |
| Random Totals: | 7,096,115,249 | 7,291,751,689 | 246 | 8,960 | ||
| Catg B Exception Values: | 137,700,000 | 134,893,404 | ||||
| Catg L1 Exception Values: | 226,112,940 | 226,112,940 | ||||
| Total Test Values (4): | 7,459,928,189 | 7,652,758,033 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 382,637,901 |
Confidence Interval Values (5)
| State Lower Limit: | 7,270,120,132 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,459,928,189 | (Within Confidence Interval) |
| State Upper Limit: | 8,035,395,934 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,925,206,099 | (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, D2, E, 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