2008 Confidence Interval Detail
114/Howard
114-901/Big Spring ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 76,204,817 | 1.0058 | 75,765,378 | 37 | 3,039 | .114718994 |
| A | 82,064,478 | 1.0379 | 79,067,808 | 47 | 1,634 | .034604383 |
| A | 80,295,930 | 0.9368 | 85,712,991 | 27 | 907 | .023158650 |
| A | 102,074,805 | 1.0299 | 99,111,375 | 25 | 627 | .011565252 |
| F1 | 26,909,048 | 0.9506 | 28,307,435 | 18 | 390 | .031179801 |
| F1 | 27,063,126 | 0.9738 | 27,791,257 | 12 | 99 | .006056822 |
| F1 | 26,738,470 | 0.9581 | 27,907,807 | 10 | 22 | .049286620 |
| G1 | 23,601,317 | 0.9835 | 23,997,272 | 6 | 32 | .030636096 |
| G1 | 25,189,461 | 0.9755 | 25,822,103 | 4 | 11 | .000423307 |
| G1 | 22,977,006 | 1.0073 | 22,810,489 | 3 | 4 | .000272024 |
| L1 | 18,334,343 | 0.9893 | 18,532,642 | 9 | 330 | .032552487 |
| L1 | 16,594,520 | 1.0789 | 15,380,962 | 8 | 63 | .008593554 |
| L1 | 22,585,965 | 0.9351 | 24,153,529 | 7 | 23 | .004173703 |
| Random Totals: | 550,633,286 | 554,361,048 | 213 | 7,181 | ||
| Catg J Exception Values: | 25,991,166 | 25,442,518 | ||||
| Catg D1 Exception Values: | 13,569,728 | 17,936,943 | ||||
| Catg F1 Exception Values: | 26,728,749 | 28,723,392 | ||||
| Catg G1 Exception Values: | 68,025,195 | 65,588,263 | ||||
| Catg L1 Exception Values: | 14,359,543 | 14,996,537 | ||||
| Total Test Values (4): | 699,307,667 | 707,048,701 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 35,352,435 |
Confidence Interval Values (5)
| State Lower Limit: | 671,696,266 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 699,307,667 | (Within Confidence Interval) |
| State Upper Limit: | 742,401,136 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,097,429,995 | (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