2009 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 | 97,718,437 | 0.8544 | 114,370,830 | 22 | 1,162 | .017809173 |
| A | 100,055,343 | 0.9474 | 105,610,453 | 21 | 704 | .015471897 |
| A | 100,979,675 | 0.9486 | 106,451,270 | 20 | 510 | .018052039 |
| A | 95,656,275 | 0.9483 | 100,871,322 | 14 | 325 | .003271311 |
| D3 | 148,438,791 | 0.9672 | 153,472,695 | 20 | 4,246 | .012807768 |
| F1 | 22,952,468 | 0.9467 | 24,244,711 | 7 | 141 | .001093207 |
| F1 | 20,351,354 | 0.9370 | 21,719,695 | 6 | 49 | .003277412 |
| F1 | 26,380,297 | 0.9563 | 27,585,796 | 7 | 32 | .000321619 |
| F1 | 32,487,060 | 0.9332 | 34,812,538 | 5 | 12 | .002664684 |
| G1 | 14,471,320 | 0.9857 | 14,681,262 | 5 | 16 | .001712691 |
| G1 | 14,742,390 | 0.9420 | 15,650,096 | 4 | 7 | .008253190 |
| G1 | 14,081,730 | 1.1637 | 12,100,825 | 3 | 4 | .023628094 |
| L1 | 11,232,990 | 1.0033 | 11,196,043 | 7 | 183 | .001645207 |
| L1 | 11,812,114 | 1.0396 | 11,362,172 | 5 | 33 | .001364330 |
| L1 | 9,135,554 | 0.9114 | 10,023,649 | 4 | 8 | .017230534 |
| Random Totals: | 720,495,798 | 764,153,357 | 150 | 7,432 | ||
| Catg J Exception Values: | 27,679,452 | 28,574,774 | ||||
| Catg D1 Exception Values: | 12,596,367 | 12,477,904 | ||||
| Catg G1 Exception Values: | 10,621,320 | 9,623,611 | ||||
| Catg L1 Exception Values: | 9,475,081 | 9,205,510 | ||||
| Total Test Values (4): | 780,868,018 | 824,035,156 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 41,201,758 |
Confidence Interval Values (5)
| Local Test Value: | 780,868,018 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 782,833,398 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 865,236,914 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,104,169,020 | (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