2007 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 | 1,211,361,539 | 0.9673 | 1,252,312,146 | 57 | 13,482 | .047573395 |
| A | 1,211,318,374 | 0.9840 | 1,231,014,608 | 80 | 10,619 | .007372107 |
| A | 1,211,353,733 | 0.9930 | 1,219,892,984 | 75 | 8,693 | .006171543 |
| A | 1,211,019,509 | 1.0079 | 1,201,527,442 | 79 | 3,888 | .010806323 |
| B | 382,634,240 | 0.9471 | 404,006,166 | 8 | 93 | .005179031 |
| B | 380,911,579 | 0.9753 | 390,558,371 | 7 | 52 | .001283173 |
| B | 389,851,777 | 0.9140 | 426,533,673 | 9 | 35 | .002327869 |
| B | 371,367,983 | 0.9136 | 406,488,598 | 8 | 18 | .004809220 |
| F1 | 778,866,289 | 0.9466 | 822,804,024 | 18 | 715 | .036712624 |
| F1 | 779,217,682 | 0.9111 | 855,249,349 | 17 | 199 | .015430377 |
| F1 | 805,975,533 | 0.9330 | 863,853,733 | 17 | 70 | .017216730 |
| F1 | 739,246,749 | 0.9517 | 776,764,473 | 14 | 22 | .018261048 |
| L1 | 203,125,310 | 1.0375 | 195,783,431 | 7 | 2,458 | .006073720 |
| L1 | 205,058,806 | 0.9864 | 207,886,056 | 7 | 297 | .001725645 |
| L1 | 209,765,385 | 0.9986 | 210,059,468 | 6 | 69 | .001169791 |
| L1 | 199,633,875 | 1.0124 | 197,188,735 | 6 | 20 | .001010330 |
| Random Totals: | 10,290,708,363 | 10,661,923,257 | 415 | 40,730 | ||
| Catg D1 Exception Values: | 16,362 | 15,205 | ||||
| Total Test Values (4): | 10,290,724,725 | 10,661,938,462 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 533,096,923 |
Confidence Interval Values (5)
| State Lower Limit: | 10,128,841,539 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 10,290,724,725 | (Within Confidence Interval) |
| State Upper Limit: | 11,195,035,385 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 11,011,148,289 | (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