2008 Confidence Interval Detail
123/Jefferson
123-907/Port Arthur ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 171,964,510 | 1.0192 | 168,724,990 | 35 | 6,506 | .040287871 |
| A | 222,013,970 | 1.0732 | 206,871,012 | 43 | 4,817 | .024613855 |
| A | 240,869,740 | 1.0142 | 237,497,279 | 49 | 3,180 | .009077145 |
| A | 252,630,690 | 0.9794 | 257,944,343 | 49 | 1,665 | .035980237 |
| F1 | 98,217,690 | 0.8872 | 110,705,241 | 11 | 457 | .021304021 |
| F1 | 91,569,190 | 0.8360 | 109,532,524 | 8 | 53 | .029769224 |
| F1 | 116,238,510 | 0.9052 | 128,411,964 | 7 | 20 | .004982034 |
| L1 | 49,413,860 | 1.0431 | 47,372,122 | 8 | 580 | .042987142 |
| L1 | 61,824,720 | 1.1484 | 53,835,528 | 7 | 81 | .031063261 |
| L1 | 52,865,440 | 0.9629 | 54,902,316 | 7 | 16 | .019137019 |
| L1 | 35,678,190 | 1.0461 | 34,105,908 | 2 | 3 | .021349243 |
| Random Totals: | 1,393,286,510 | 1,409,903,227 | 226 | 17,378 | ||
| Catg J Exception Values: | 53,220,545 | 52,441,385 | ||||
| Catg D1 Exception Values: | 352,840 | 199,688 | ||||
| Catg F1 Exception Values: | 58,449,820 | 71,849,081 | ||||
| Total Test Values (4): | 1,505,309,715 | 1,534,393,381 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 76,719,669 |
Confidence Interval Values (5)
| State Lower Limit: | 1,457,673,712 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,505,309,715 | (Within Confidence Interval) |
| State Upper Limit: | 1,611,113,050 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,819,964,952 | (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