2011 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 | 386,146,731 | 0.9911 | 389,614,298 | 35 | 5,477 | .025548728 |
| A | 397,013,024 | 0.9910 | 400,618,591 | 48 | 3,144 | .011721523 |
| A | 425,542,988 | 0.9940 | 428,111,658 | 55 | 2,422 | .009211588 |
| A | 425,432,440 | 0.9701 | 438,544,934 | 34 | 1,250 | .027177592 |
| F1 | 192,581,440 | 0.8093 | 237,960,509 | 11 | 858 | .052219646 |
| F1 | 197,813,018 | 0.9803 | 201,788,246 | 10 | 242 | .011060830 |
| F1 | 183,920,066 | 0.8854 | 207,725,396 | 11 | 78 | .033902539 |
| F1 | 177,235,380 | 0.8357 | 212,080,148 | 8 | 20 | .105558546 |
| L1 | 117,771,480 | 1.0200 | 115,462,235 | 10 | 997 | .014598839 |
| L1 | 111,745,060 | 1.0216 | 109,382,400 | 11 | 209 | .028226552 |
| L1 | 125,097,630 | 0.9804 | 127,598,562 | 9 | 76 | .019035497 |
| L1 | 118,562,060 | 1.0340 | 114,663,501 | 7 | 19 | .002217472 |
| Random Totals: | 2,858,861,317 | 2,983,550,478 | 249 | 14,792 | ||
| Catg D1 Exception Values: | 4,129,307 | 3,117,589 | ||||
| Total Test Values (4): | 2,862,990,624 | 2,986,668,067 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 149,333,403 |
Confidence Interval Values (5)
| State Lower Limit: | 2,837,334,664 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,862,990,624 | (Within Confidence Interval) |
| State Upper Limit: | 3,136,001,470 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,797,557,876 | (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