2011 Confidence Interval Detail
101/Harris
101-914/Katy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,633,842,329 | 0.9585 | 1,704,582,503 | 26 | 15,797 | .020379225 |
| A | 1,724,474,742 | 0.9608 | 1,794,832,163 | 38 | 12,616 | .004521361 |
| A | 1,643,203,479 | 0.9417 | 1,744,933,077 | 39 | 8,508 | .008874184 |
| A | 1,752,751,204 | 0.9400 | 1,864,628,940 | 43 | 4,716 | .006758469 |
| B | 161,486,493 | 0.9615 | 167,952,671 | 9 | 23 | .008135433 |
| B | 202,620,873 | 0.9649 | 209,991,577 | 8 | 13 | .002373044 |
| B | 119,933,950 | 0.9987 | 120,090,067 | 6 | 6 | .005123188 |
| B | 164,310,971 | 1.0392 | 158,112,944 | 4 | 7 | .003713958 |
| C | 61,621,947 | 0.9605 | 64,156,113 | 11 | 560 | .018746326 |
| C | 67,048,969 | 0.9575 | 70,025,033 | 9 | 97 | .012967409 |
| C | 53,441,942 | 1.1024 | 48,477,814 | 9 | 32 | .040287238 |
| C | 64,183,745 | 1.0997 | 58,364,777 | 12 | 17 | .055506413 |
| F1 | 781,363,909 | 1.0036 | 778,561,089 | 8 | 633 | .004523564 |
| F1 | 786,994,642 | 0.9597 | 820,042,349 | 9 | 150 | .002420467 |
| F1 | 717,833,774 | 0.9579 | 749,382,789 | 8 | 45 | .014836711 |
| F1 | 843,149,328 | 0.8376 | 1,006,625,272 | 6 | 12 | .026640909 |
| L1 | 201,072,847 | 0.9923 | 202,633,122 | 9 | 1,192 | .006701553 |
| L1 | 235,642,032 | 0.9696 | 243,030,149 | 9 | 125 | .001665689 |
| L1 | 148,994,590 | 0.9390 | 158,673,685 | 7 | 15 | .006678526 |
| Random Totals: | 11,363,971,766 | 11,965,096,134 | 270 | 44,564 | ||
| Catg D1 Exception Values: | 2,835,890 | 2,786,609 | ||||
| Catg L1 Exception Values: | 138,219,641 | 138,253,101 | ||||
| Total Test Values (4): | 11,505,027,297 | 12,106,135,844 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 605,306,792 |
Confidence Interval Values (5)
| State Lower Limit: | 11,500,829,052 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 11,505,027,297 | (Within Confidence Interval) |
| State Upper Limit: | 12,711,442,636 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 12,074,731,294 | (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