2008 Confidence Interval Detail
154/Madison
154-903/North Zulch ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,759,170 | 1.2297 | 2,243,775 | 7 | 106 | .044063488 |
| A | 3,104,090 | 0.8874 | 3,497,960 | 6 | 66 | .108507011 |
| A | 3,931,910 | 1.0633 | 3,697,837 | 9 | 48 | .015249360 |
| A | 4,003,140 | 0.8749 | 4,575,540 | 7 | 28 | .078065978 |
| D3 | 32,804,571 | 0.8412 | 38,997,350 | 30 | 1,579 | .050022551 |
| G1 | 9,126,334 | 0.9538 | 9,568,394 | 15 | 40 | .043238173 |
| G1 | 9,200,298 | 1.0417 | 8,832,003 | 8 | 13 | .008466872 |
| G1 | 7,964,500 | 1.0075 | 7,905,211 | 3 | 4 | .000033824 |
| Random Totals: | 72,894,013 | 79,318,070 | 85 | 1,884 | ||
| Catg J Exception Values: | 6,151,813 | 6,329,040 | ||||
| Catg D1 Exception Values: | 2,955,422 | 2,937,983 | ||||
| Catg G1 Exception Values: | 8,544,878 | 8,408,246 | ||||
| Total Test Values (4): | 90,546,126 | 96,993,339 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 4,849,667 |
Confidence Interval Values (5)
| Local Test Value: | 90,546,126 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 92,143,672 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 101,843,006 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 134,469,263 | (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