2012 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 | 186,806,372 | 0.9497 | 196,700,402 | 41 | 3,444 | .015260750 |
| A | 187,789,687 | 0.9894 | 189,801,584 | 49 | 1,874 | .006299193 |
| A | 192,422,731 | 0.9839 | 195,571,431 | 39 | 1,368 | .002074824 |
| A | 183,047,214 | 0.9641 | 189,863,307 | 16 | 726 | .001274019 |
| F1 | 150,750,435 | 1.0064 | 149,791,768 | 10 | 550 | .033776770 |
| F1 | 151,539,827 | 0.8883 | 170,595,325 | 10 | 148 | .043086352 |
| F1 | 153,683,446 | 0.9594 | 160,187,040 | 9 | 60 | .031022853 |
| F1 | 147,294,612 | 1.0122 | 145,519,277 | 7 | 19 | .002758181 |
| L1 | 54,618,536 | 1.0826 | 50,451,262 | 10 | 541 | .019479626 |
| L1 | 51,940,566 | 1.0795 | 48,115,392 | 9 | 126 | .140666471 |
| L1 | 53,485,694 | 1.0792 | 49,560,502 | 9 | 46 | .021330687 |
| L1 | 55,897,877 | 1.0223 | 54,678,545 | 6 | 13 | .000386165 |
| Random Totals: | 1,569,276,997 | 1,600,835,835 | 215 | 8,915 | ||
| Catg D1 Exception Values: | 799,654 | 730,591 | ||||
| Total Test Values (4): | 1,570,076,651 | 1,601,566,426 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 80,078,321 |
Confidence Interval Values (5)
| State Lower Limit: | 1,521,488,105 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,570,076,651 | (Within Confidence Interval) |
| State Upper Limit: | 1,681,644,747 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,820,805,442 | (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