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 | 1.0670 | 72,837,644 | 27 | 3,128 | .119940303 |
| A | 77,738,342 | 0.8595 | 90,446,006 | 28 | 1,582 | .018643966 |
| A | 77,692,530 | 0.8501 | 91,392,224 | 27 | 925 | .042016279 |
| A | 77,709,808 | 0.8842 | 87,887,139 | 27 | 490 | .021526397 |
| F1 | 25,751,526 | 0.9545 | 26,979,074 | 13 | 387 | .067180860 |
| 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 | 0.8685 | 20,001,437 | 5 | 24 | .073006490 |
| 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 | 0.8675 | 18,567,297 | 9 | 326 | .099204171 |
| 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 | 537,830,723 | 173 | 7,088 | ||
| Catg J Exception Values: | 27,245,526 | 26,971,906 | ||||
| Catg D1 Exception Values: | 11,995,452 | 15,071,887 | ||||
| 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 | 660,062,172 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 33,003,109 |
Confidence Interval Values (5)
| Local Test Value: | 617,499,380 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 627,059,063 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 693,065,281 | (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