2006 Confidence Interval Detail
092/Gregg
092-903/Longview ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 309,758,968 | 0.9152 | 338,460,411 | 71 | 5,515 | .050117464 |
| A | 309,525,918 | 0.9202 | 336,368,092 | 73 | 3,090 | .018199687 |
| A | 309,687,439 | 0.9480 | 326,674,514 | 70 | 2,139 | .013066717 |
| A | 309,474,118 | 0.9406 | 329,017,774 | 64 | 1,049 | .028685489 |
| F1 | 160,776,741 | 0.8528 | 188,528,073 | 16 | 803 | .043157005 |
| F1 | 160,608,251 | 1.0039 | 159,984,312 | 10 | 220 | .018568706 |
| F1 | 162,095,823 | 0.9251 | 175,219,785 | 10 | 70 | .045015740 |
| F1 | 158,569,617 | 0.9908 | 160,042,003 | 7 | 14 | .002128281 |
| G1 | 49,934,917 | 1.0278 | 48,584,274 | 9 | 148 | .010197773 |
| G1 | 50,298,140 | 1.1176 | 45,005,494 | 9 | 70 | .013999276 |
| G1 | 49,354,990 | 1.0441 | 47,270,367 | 8 | 43 | .010376372 |
| G1 | 49,209,259 | 1.0992 | 44,768,249 | 7 | 25 | .004427009 |
| L1 | 102,583,491 | 1.1914 | 86,103,316 | 10 | 1,051 | .064450422 |
| L1 | 102,899,750 | 1.0457 | 98,402,745 | 10 | 244 | .008290590 |
| L1 | 102,878,836 | 0.9369 | 109,807,702 | 9 | 75 | .021298865 |
| L1 | 101,182,989 | 1.1617 | 87,099,069 | 7 | 21 | .050262346 |
| Random Totals: | 2,488,839,247 | 2,581,336,180 | 390 | 14,577 | ||
| Catg D1 Exception Values: | 4,315,000 | 3,891,979 | ||||
| Total Test Values (4): | 2,493,154,247 | 2,585,228,159 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 129,261,408 |
Confidence Interval Values (5)
| State Lower Limit: | 2,455,966,751 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,493,154,247 | (Within Confidence Interval) |
| State Upper Limit: | 2,714,489,567 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,036,468,003 | (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