2008 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 | 316,303,057 | 0.9340 | 338,654,237 | 57 | 5,157 | .058486549 |
| A | 351,511,745 | 0.9921 | 354,310,800 | 48 | 3,181 | .012243067 |
| A | 414,057,627 | 0.9924 | 417,228,564 | 76 | 2,634 | .012972198 |
| A | 403,256,950 | 0.9817 | 410,774,116 | 61 | 1,310 | .009618234 |
| F1 | 181,922,280 | 0.9698 | 187,587,420 | 14 | 849 | .041457292 |
| F1 | 182,219,270 | 1.0074 | 180,880,752 | 9 | 227 | .013006838 |
| F1 | 188,332,840 | 0.9788 | 192,411,974 | 9 | 75 | .019680955 |
| F1 | 202,405,630 | 1.0191 | 198,612,138 | 7 | 21 | .130993554 |
| G1 | 47,384,238 | 0.9456 | 50,110,235 | 10 | 177 | .006077312 |
| G1 | 47,675,801 | 0.9789 | 48,703,444 | 8 | 81 | .016713824 |
| G1 | 48,144,881 | 0.9695 | 49,659,496 | 7 | 38 | .012111789 |
| G1 | 45,749,049 | 1.0383 | 44,061,494 | 6 | 20 | .001567734 |
| L1 | 107,833,930 | 1.4439 | 74,682,409 | 7 | 1,109 | .262410769 |
| L1 | 118,546,410 | 1.0689 | 110,905,052 | 7 | 244 | .004495239 |
| L1 | 110,502,990 | 1.0932 | 101,082,135 | 6 | 74 | .015898859 |
| L1 | 151,759,600 | 1.0163 | 149,325,593 | 5 | 29 | .003611700 |
| Random Totals: | 2,917,606,298 | 2,908,989,859 | 337 | 15,226 | ||
| Catg D1 Exception Values: | 4,169,430 | 3,814,733 | ||||
| Total Test Values (4): | 2,921,775,728 | 2,912,804,592 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 145,640,230 |
Confidence Interval Values (5)
| State Lower Limit: | 2,767,164,362 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,921,775,728 | (Within Confidence Interval) |
| State Upper Limit: | 3,058,444,822 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,642,684,485 | (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