2008 Confidence Interval Detail
008/Austin
008-902/Sealy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 76,826,840 | 0.9018 | 85,192,770 | 15 | 1,013 | .078026666 |
| A | 89,659,187 | 0.9765 | 91,816,884 | 14 | 696 | .026997907 |
| A | 100,031,757 | 0.9965 | 100,383,098 | 12 | 561 | .002318342 |
| A | 129,225,783 | 1.0619 | 121,692,987 | 13 | 472 | .019993531 |
| D3 | 150,967,402 | 0.9497 | 158,963,254 | 20 | 4,090 | .032548901 |
| F1 | 20,218,160 | 0.9494 | 21,295,724 | 7 | 144 | .005137909 |
| F1 | 24,124,245 | 1.0028 | 24,056,886 | 6 | 65 | .004831014 |
| F1 | 25,279,191 | 0.8835 | 28,612,553 | 5 | 31 | .021934434 |
| F1 | 22,673,244 | 0.9503 | 23,859,038 | 4 | 8 | .002045553 |
| G1 | 14,308,870 | 0.8308 | 17,223,002 | 5 | 17 | .047039863 |
| G1 | 12,231,700 | 0.8752 | 13,975,891 | 3 | 6 | .008222287 |
| G1 | 15,826,780 | 1.0047 | 15,752,742 | 3 | 5 | .004648021 |
| Random Totals: | 681,373,159 | 702,824,829 | 107 | 7,108 | ||
| Catg J Exception Values: | 27,505,697 | 28,649,631 | ||||
| Catg D1 Exception Values: | 13,407,721 | 12,996,469 | ||||
| Catg G1 Exception Values: | 10,270,540 | 10,113,453 | ||||
| Total Test Values (4): | 732,557,117 | 754,584,382 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 37,729,219 |
Confidence Interval Values (5)
| State Lower Limit: | 716,855,163 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 732,557,117 | (Within Confidence Interval) |
| State Upper Limit: | 792,313,601 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,068,107,537 | (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