2009 Confidence Interval Detail
003/Angelina
003-907/Central ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 27,713,371 | 0.9478 | 29,239,682 | 15 | 636 | .018291779 |
| A | 33,266,618 | 0.9076 | 36,653,391 | 18 | 424 | .022910566 |
| A | 35,610,685 | 0.8411 | 42,338,230 | 15 | 329 | .008648473 |
| A | 36,136,224 | 0.9536 | 37,894,530 | 17 | 233 | .019750082 |
| D3 | 51,840,536 | 1.0140 | 51,124,789 | 11 | 2,362 | .043184278 |
| G1 | 12,631,541 | 0.8814 | 14,331,224 | 10 | 21 | .095395692 |
| G1 | 11,435,322 | 1.0551 | 10,838,140 | 5 | 6 | .004083580 |
| G1 | 11,624,790 | 1.1545 | 10,069,112 | 3 | 4 | .002579120 |
| Random Totals: | 220,259,087 | 232,489,098 | 94 | 4,015 | ||
| Catg J Exception Values: | 12,499,070 | 11,192,006 | ||||
| Catg D1 Exception Values: | 7,199,876 | 6,963,255 | ||||
| Catg G1 Exception Values: | 11,519,080 | 10,781,244 | ||||
| Total Test Values (4): | 251,477,113 | 261,425,603 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,071,280 |
Confidence Interval Values (5)
| State Lower Limit: | 248,354,323 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 251,477,113 | (Within Confidence Interval) |
| State Upper Limit: | 274,496,883 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 255,437,382 | (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