2007 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 | 77,717,766 | 1.1488 | 67,651,259 | 22 | 3,128 | .119244364 |
| A | 77,738,342 | 0.8751 | 88,833,667 | 28 | 1,582 | .017687035 |
| A | 77,692,530 | 0.8616 | 90,172,389 | 26 | 925 | .045593363 |
| A | 77,709,808 | 0.8918 | 87,138,157 | 27 | 490 | .022050612 |
| F1 | 25,751,526 | 0.9644 | 26,702,122 | 12 | 387 | .071593267 |
| F1 | 25,898,959 | 0.9105 | 28,444,766 | 11 | 97 | .121854671 |
| F1 | 27,286,299 | 0.9411 | 28,994,048 | 6 | 23 | .046855606 |
| G1 | 17,371,248 | 0.9580 | 18,132,827 | 5 | 24 | .004387632 |
| G1 | 17,310,014 | 0.9997 | 17,315,209 | 4 | 7 | .000245302 |
| G1 | 22,644,494 | 1.0499 | 21,568,239 | 2 | 3 | .000186155 |
| L1 | 16,107,130 | 0.8857 | 18,185,763 | 9 | 326 | .072061424 |
| L1 | 16,075,923 | 1.0363 | 15,512,808 | 6 | 71 | .003187607 |
| L1 | 17,527,135 | 0.9800 | 17,884,832 | 8 | 25 | .000903952 |
| Random Totals: | 496,831,174 | 526,536,086 | 166 | 7,088 | ||
| Catg J Exception Values: | 27,245,526 | 26,959,449 | ||||
| Catg D1 Exception Values: | 11,995,452 | 13,872,732 | ||||
| Catg F1 Exception Values: | 23,608,648 | 22,625,650 | ||||
| Catg G1 Exception Values: | 40,123,379 | 40,425,806 | ||||
| Catg L1 Exception Values: | 17,695,201 | 17,136,200 | ||||
| Total Test Values (4): | 617,499,380 | 647,555,923 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,377,796 |
Confidence Interval Values (5)
| State Lower Limit: | 615,178,127 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 617,499,380 | (Within Confidence Interval) |
| State Upper Limit: | 679,933,719 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,104,545,202 | (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