2008 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 | 1,200,116,173 | 1.0171 | 1,179,939,212 | 28 | 13,827 | .007670240 |
| A | 1,247,293,881 | 1.0413 | 1,197,823,760 | 31 | 11,288 | .008061562 |
| A | 1,256,316,533 | 1.0096 | 1,244,370,575 | 31 | 9,170 | .011416946 |
| A | 1,299,660,692 | 0.9629 | 1,349,735,894 | 28 | 3,930 | .002237210 |
| B | 353,358,893 | 0.9803 | 360,459,954 | 8 | 91 | .004339182 |
| B | 376,571,696 | 0.9385 | 401,248,477 | 5 | 53 | .001207330 |
| B | 474,697,387 | 0.9543 | 497,429,935 | 6 | 43 | .013109703 |
| B | 452,101,153 | 0.8680 | 520,853,863 | 5 | 21 | .004280524 |
| F1 | 820,045,133 | 0.9467 | 866,214,358 | 7 | 798 | .005440532 |
| F1 | 924,472,752 | 0.8475 | 1,090,823,306 | 5 | 240 | .013137560 |
| F1 | 1,027,552,201 | 0.9579 | 1,072,713,437 | 5 | 27 | .006624671 |
| L1 | 196,317,206 | 1.0406 | 188,657,703 | 8 | 2,326 | .007751755 |
| L1 | 204,281,208 | 1.0092 | 202,418,954 | 8 | 305 | .019485149 |
| L1 | 203,270,629 | 0.9305 | 218,453,121 | 7 | 77 | .006122082 |
| L1 | 212,962,134 | 1.0008 | 212,791,900 | 5 | 22 | .000604066 |
| Random Totals: | 10,249,017,671 | 10,603,934,449 | 187 | 42,218 | ||
| Catg D1 Exception Values: | 8,866 | 7,975 | ||||
| Catg F1 Exception Values: | 38,262,431 | 47,386,225 | ||||
| Total Test Values (4): | 10,287,288,968 | 10,651,328,649 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 532,566,432 |
Confidence Interval Values (5)
| State Lower Limit: | 10,118,762,217 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 10,287,288,968 | (Within Confidence Interval) |
| State Upper Limit: | 11,183,895,081 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 11,905,461,913 | (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