2006 Confidence Interval Detail
237/Waller
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 | 2,257,782,442 | 0.9534 | 2,368,137,657 | 31 | 19,033 | .011801955 |
| A | 2,253,331,283 | 0.9747 | 2,311,820,338 | 41 | 13,569 | .007683602 |
| A | 2,255,692,744 | 1.0053 | 2,243,800,601 | 43 | 9,977 | .005966490 |
| A | 2,255,106,130 | 1.0071 | 2,239,207,755 | 21 | 6,133 | .013770563 |
| B | 126,404,289 | 0.9122 | 138,570,806 | 7 | 18 | .006575185 |
| B | 118,102,049 | 0.9345 | 126,379,935 | 4 | 10 | .001807492 |
| B | 135,904,941 | 0.9737 | 139,575,784 | 4 | 8 | .000445948 |
| B | 99,929,272 | 0.9935 | 100,583,062 | 3 | 4 | .002050916 |
| C | 73,474,363 | 0.9002 | 81,620,043 | 10 | 3,039 | .036261287 |
| C | 70,440,955 | 0.8861 | 79,495,491 | 11 | 413 | .052273701 |
| C | 72,881,641 | 1.0807 | 67,439,290 | 9 | 103 | .140585385 |
| C | 70,838,109 | 1.1559 | 61,283,942 | 10 | 31 | .034808872 |
| F1 | 585,805,804 | 0.9705 | 603,612,369 | 10 | 554 | .049780652 |
| F1 | 589,627,602 | 0.9025 | 653,326,983 | 11 | 143 | .069439488 |
| F1 | 1,164,795,216 | 0.9375 | 1,242,448,230 | 7 | 48 | .003094334 |
| L1 | 224,806,346 | 1.1990 | 187,494,867 | 8 | 1,650 | .026562391 |
| L1 | 225,225,539 | 0.9502 | 237,029,614 | 8 | 204 | .010350189 |
| L1 | 230,317,721 | 0.7976 | 288,763,442 | 6 | 46 | .087180790 |
| L1 | 217,579,388 | 0.8161 | 266,608,734 | 4 | 11 | .021722579 |
| Random Totals: | 13,028,045,834 | 13,437,198,943 | 248 | 54,994 | ||
| Catg D1 Exception Values: | 7,724,538 | 8,523,384 | ||||
| Total Test Values (4): | 13,035,770,372 | 13,445,722,327 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 672,286,116 |
Confidence Interval Values (5)
| State Lower Limit: | 12,773,436,211 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 13,035,770,372 | (Within Confidence Interval) |
| State Upper Limit: | 14,118,008,443 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 13,692,852,270 | (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