2007 Confidence Interval Detail
245/Willacy
245-904/San Perlita ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,545,841 | 0.9532 | 6,867,227 | 13 | 269 | .015254688 |
| A | 6,518,778 | 0.9685 | 6,730,798 | 13 | 141 | .015963961 |
| A | 6,547,308 | 0.9726 | 6,731,758 | 12 | 85 | .012897204 |
| A | 6,442,390 | 0.9491 | 6,787,894 | 11 | 46 | .017602185 |
| C | 672,079 | 0.9268 | 725,161 | 8 | 217 | .032262020 |
| C | 684,935 | 0.9925 | 690,111 | 7 | 81 | .007384069 |
| C | 688,635 | 0.9743 | 706,800 | 6 | 28 | .003962428 |
| C | 642,224 | 0.8406 | 764,007 | 2 | 3 | .011937754 |
| D3 | 3,288,859 | 0.8999 | 3,654,694 | 10 | 630 | .078940696 |
| Random Totals: | 32,031,049 | 33,658,450 | 82 | 1,500 | ||
| Catg J Exception Values: | 1,144,286 | 1,164,963 | ||||
| Catg D1 Exception Values: | 16,910,785 | 16,447,714 | ||||
| Catg C Exception Values: | 2,049,360 | 2,049,360 | ||||
| Total Test Values (4): | 52,135,480 | 53,320,487 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,666,024 |
Confidence Interval Values (5)
| State Lower Limit: | 50,654,463 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 52,135,480 | (Within Confidence Interval) |
| State Upper Limit: | 55,986,511 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 57,414,537 | (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