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 | 0.9568 | 1,707,611,130 | 27 | 15,797 | .019739683 |
| A | 1,724,474,742 | 0.9608 | 1,794,832,163 | 38 | 12,616 | .004521361 |
| A | 1,643,203,479 | 0.9397 | 1,748,646,886 | 40 | 8,508 | .008854383 |
| A | 1,752,751,204 | 0.9400 | 1,864,628,940 | 43 | 4,716 | .006758469 |
| B | 161,486,493 | 0.9319 | 173,287,362 | 9 | 23 | .018931149 |
| B | 202,620,873 | 0.9611 | 210,821,843 | 8 | 13 | .002511051 |
| 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 | 0.9591 | 64,249,762 | 12 | 560 | .020046369 |
| C | 67,048,969 | 0.9535 | 70,318,793 | 10 | 97 | .016873669 |
| C | 53,441,942 | 0.9732 | 54,913,627 | 10 | 32 | .120748214 |
| C | 64,183,745 | 0.9794 | 65,533,740 | 11 | 17 | .051253574 |
| F1 | 781,363,909 | 0.8682 | 899,981,466 | 10 | 633 | .134439096 |
| F1 | 786,994,642 | 0.9281 | 847,963,196 | 9 | 150 | .010236102 |
| F1 | 717,833,774 | 0.9413 | 762,598,294 | 8 | 45 | .016518023 |
| F1 | 843,149,328 | 0.8059 | 1,046,220,782 | 6 | 12 | .033447626 |
| L1 | 201,072,847 | 1.0319 | 194,856,912 | 10 | 1,192 | .073246733 |
| L1 | 235,642,032 | 0.9695 | 243,055,216 | 9 | 125 | .001665583 |
| L1 | 148,994,590 | 0.9040 | 164,817,024 | 7 | 15 | .017333441 |
| Random Totals: | 11,363,971,766 | 12,192,540,147 | 277 | 44,564 | ||
| Catg D1 Exception Values: | 2,505,208 | 2,604,538 | ||||
| Catg L1 Exception Values: | 138,219,641 | 138,253,101 | ||||
| Total Test Values (4): | 11,504,696,615 | 12,333,397,786 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 616,669,889 |
Confidence Interval Values (5)
| Local Test Value: | 11,504,696,615 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 11,716,727,897 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 12,950,067,675 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 12,078,783,192 | (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