2006 Confidence Interval Detail
113/Houston
113-901/Crockett ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 29,663,288 | 0.9723 | 30,508,370 | 13 | 977 | .023373451 |
| A | 29,599,042 | 0.9102 | 32,519,273 | 15 | 605 | .015397733 |
| A | 29,644,677 | 0.9751 | 30,401,679 | 15 | 384 | .006061255 |
| A | 29,525,939 | 0.9786 | 30,171,611 | 17 | 190 | .015989150 |
| D3 | 58,260,150 | 0.8825 | 66,017,167 | 23 | 3,594 | .032069168 |
| F1 | 12,892,840 | 0.8337 | 15,464,604 | 8 | 175 | .025387105 |
| F1 | 13,084,832 | 0.8323 | 15,721,293 | 8 | 48 | .034053001 |
| F1 | 13,273,204 | 0.8537 | 15,547,855 | 7 | 14 | .096888721 |
| L1 | 7,815,980 | 1.1930 | 6,551,534 | 8 | 175 | .119290576 |
| L1 | 7,901,642 | 0.8934 | 8,844,462 | 6 | 43 | .377676372 |
| L1 | 7,697,009 | 1.0688 | 7,201,543 | 6 | 16 | .023847212 |
| L1 | 7,582,148 | 0.9838 | 7,707,001 | 3 | 4 | .003032753 |
| Random Totals: | 246,940,751 | 266,656,392 | 129 | 6,225 | ||
| Catg J Exception Values: | 12,096,902 | 12,083,235 | ||||
| Catg D1 Exception Values: | 14,826,280 | 15,294,758 | ||||
| Catg F1 Exception Values: | 11,813,160 | 11,847,155 | ||||
| Total Test Values (4): | 285,677,093 | 305,881,540 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 15,294,077 |
Confidence Interval Values (5)
| Local Test Value: | 285,677,093 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 290,587,463 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 321,175,617 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 280,165,559 | (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
