2011 Confidence Interval Detail
101/Harris
101-912/Houston ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,997,104,751 | 1.0102 | 13,855,775,837 | 41 | 134,599 | .040201593 |
| A | 14,482,667,171 | 0.9534 | 15,190,546,645 | 44 | 59,774 | .007365885 |
| A | 14,938,053,399 | 0.9525 | 15,682,995,694 | 42 | 30,836 | .006732424 |
| A | 14,625,911,044 | 0.9522 | 15,360,125,020 | 41 | 11,259 | .005332724 |
| B | 2,236,621,929 | 1.1187 | 1,999,304,486 | 50 | 4,114 | .196042019 |
| B | 2,151,119,155 | 0.9647 | 2,229,832,233 | 14 | 322 | .012748554 |
| B | 2,186,173,079 | 0.9675 | 2,259,610,418 | 12 | 110 | .014225258 |
| B | 2,505,401,357 | 0.9534 | 2,627,859,615 | 10 | 62 | .003546373 |
| C | 754,785,044 | 1.0282 | 734,083,879 | 12 | 16,105 | .008171003 |
| C | 769,375,726 | 1.0287 | 747,910,689 | 14 | 3,000 | .006273181 |
| C | 781,982,286 | 0.9679 | 807,916,403 | 10 | 775 | .007426430 |
| C | 675,527,978 | 0.9229 | 731,962,269 | 10 | 104 | .145146222 |
| D3 | 352,622,672 | 0.9774 | 360,776,214 | 15 | 1,182 | .002565816 |
| F1 | 6,869,027,882 | 0.9001 | 7,631,405,268 | 28 | 9,647 | .031605866 |
| F1 | 6,802,981,115 | 0.8543 | 7,963,222,656 | 11 | 1,680 | .096952786 |
| F1 | 6,967,998,549 | 0.9604 | 7,255,308,777 | 10 | 356 | .014194178 |
| F1 | 7,356,504,834 | 1.0230 | 7,191,109,320 | 9 | 63 | .000329011 |
| L1 | 2,002,767,737 | 1.0277 | 1,948,786,355 | 10 | 12,636 | .017701925 |
| L1 | 2,007,347,360 | 0.9867 | 2,034,404,946 | 10 | 1,553 | .008902713 |
| L1 | 2,126,251,867 | 0.9935 | 2,140,162,926 | 10 | 416 | .004573987 |
| L1 | 2,028,098,957 | 0.9577 | 2,117,676,681 | 9 | 84 | .003654204 |
| Random Totals: | 106,618,323,892 | 110,870,776,331 | 412 | 288,677 | ||
| Catg J Exception Values: | 464,625,756 | 426,972,579 | ||||
| Catg D1 Exception Values: | 345,002 | 360,460 | ||||
| Total Test Values (4): | 107,083,294,650 | 111,298,109,370 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,564,905,469 |
Confidence Interval Values (5)
| State Lower Limit: | 105,733,203,901 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 107,083,294,650 | (Within Confidence Interval) |
| State Upper Limit: | 116,863,014,839 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 106,369,378,720 | (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