2006 Confidence Interval Detail
019/Bowie
019-907/Texarkana ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 156,864,712 | 0.9143 | 171,568,098 | 59 | 3,613 | .026904358 |
| A | 156,826,424 | 0.9573 | 163,821,607 | 58 | 1,904 | .007057471 |
| A | 156,829,747 | 0.9941 | 157,760,534 | 56 | 1,319 | .006761810 |
| A | 156,724,853 | 0.9980 | 157,038,931 | 29 | 670 | .009360847 |
| F1 | 112,796,615 | 0.9572 | 117,840,174 | 7 | 533 | .005452677 |
| F1 | 112,484,994 | 0.9204 | 122,213,162 | 9 | 145 | .008196787 |
| F1 | 114,372,628 | 0.9239 | 123,793,298 | 7 | 53 | .027113441 |
| F1 | 110,527,415 | 0.9677 | 114,216,612 | 5 | 13 | .000921589 |
| L1 | 53,151,716 | 1.0344 | 51,384,103 | 7 | 566 | .078331152 |
| L1 | 53,235,282 | 1.0862 | 49,010,571 | 7 | 136 | .006505129 |
| L1 | 54,548,681 | 0.9736 | 56,027,815 | 6 | 51 | .005329481 |
| L1 | 51,064,922 | 0.9522 | 53,628,357 | 5 | 13 | .004187099 |
| Random Totals: | 1,289,427,989 | 1,338,303,262 | 255 | 9,016 | ||
| Catg D1 Exception Values: | 827,670 | 831,252 | ||||
| Total Test Values (4): | 1,290,255,659 | 1,339,134,514 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 66,956,726 |
Confidence Interval Values (5)
| State Lower Limit: | 1,272,177,788 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,290,255,659 | (Within Confidence Interval) |
| State Upper Limit: | 1,406,091,240 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,577,932,628 | (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