2006 Confidence Interval Detail
234/Van Zandt
234-907/Wills Point ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 56,935,288 | 0.9377 | 60,718,021 | 16 | 1,169 | .037234282 |
| A | 56,915,442 | 0.9887 | 57,565,937 | 15 | 689 | .050520534 |
| A | 56,969,711 | 0.9902 | 57,533,540 | 19 | 470 | .037554504 |
| A | 56,546,771 | 1.0042 | 56,310,268 | 15 | 285 | .010305673 |
| D3 | 190,507,150 | 0.9699 | 196,419,373 | 48 | 5,637 | .080152124 |
| F1 | 8,842,704 | 0.9285 | 9,523,645 | 12 | 118 | .015229848 |
| F1 | 8,865,795 | 0.9187 | 9,650,370 | 11 | 42 | .012575448 |
| F1 | 9,802,551 | 1.0231 | 9,581,225 | 7 | 17 | .018689146 |
| Random Totals: | 445,385,412 | 457,302,379 | 143 | 8,427 | ||
| Catg J Exception Values: | 24,293,145 | 27,432,397 | ||||
| Catg D1 Exception Values: | 11,657,260 | 7,912,247 | ||||
| Catg F1 Exception Values: | 4,704,030 | 4,503,525 | ||||
| Total Test Values (4): | 486,039,847 | 497,150,548 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 24,857,527 |
Confidence Interval Values (5)
| State Lower Limit: | 472,293,021 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 486,039,847 | (Within Confidence Interval) |
| State Upper Limit: | 522,008,075 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 449,888,293 | (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
