2009 Confidence Interval Detail
101/Harris
101-903/Alief ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,727,737,910 | 1.1035 | 1,565,689,089 | 46 | 19,730 | .036780201 |
| A | 815,645,428 | 1.1030 | 739,479,083 | 50 | 7,359 | .035982618 |
| A | 993,561,584 | 1.0677 | 930,562,503 | 52 | 7,142 | .041448292 |
| A | 1,199,124,853 | 0.9639 | 1,244,034,498 | 58 | 3,268 | .014028083 |
| B | 411,933,321 | 0.9560 | 430,892,595 | 8 | 97 | .002947486 |
| B | 398,508,585 | 0.9285 | 429,196,107 | 9 | 51 | .001322398 |
| B | 382,529,370 | 1.0155 | 376,690,665 | 6 | 32 | .000781442 |
| B | 429,444,760 | 0.9600 | 447,338,292 | 6 | 20 | .013469492 |
| F1 | 989,870,689 | 0.9504 | 1,041,530,607 | 16 | 857 | .028553369 |
| F1 | 852,985,416 | 0.9616 | 887,048,062 | 17 | 198 | .003273968 |
| F1 | 946,280,531 | 0.9816 | 964,018,471 | 14 | 76 | .000774915 |
| F1 | 789,433,642 | 0.9813 | 804,477,369 | 10 | 20 | .000438138 |
| L1 | 212,016,127 | 0.9437 | 224,664,753 | 8 | 2,358 | .004814599 |
| L1 | 209,497,684 | 0.9520 | 220,060,592 | 7 | 293 | .009241963 |
| L1 | 177,025,896 | 0.9818 | 180,307,492 | 7 | 60 | .000548363 |
| L1 | 281,711,942 | 0.9737 | 289,321,087 | 6 | 28 | .003215891 |
| Random Totals: | 10,817,307,738 | 10,775,311,265 | 320 | 41,589 | ||
| Catg D1 Exception Values: | 14,383 | 9,798 | ||||
| Total Test Values (4): | 10,817,322,121 | 10,775,321,063 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 538,766,053 |
Confidence Interval Values (5)
| State Lower Limit: | 10,236,555,010 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 10,817,322,121 | (Within Confidence Interval) |
| State Upper Limit: | 11,314,087,116 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 11,260,302,537 | (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