2006 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 | 68,975,464 | 0.9971 | 69,176,075 | 20 | 3,096 | .082284738 |
| A | 69,012,135 | 0.8961 | 77,013,877 | 25 | 1,547 | .063692376 |
| A | 68,924,349 | 0.9029 | 76,336,636 | 27 | 902 | .017857447 |
| A | 68,967,015 | 0.9712 | 71,012,165 | 22 | 481 | .013006784 |
| F1 | 24,662,802 | 0.8820 | 27,962,361 | 9 | 381 | .042241698 |
| F1 | 24,693,699 | 0.8607 | 28,690,251 | 16 | 96 | .056221685 |
| F1 | 26,088,489 | 0.9493 | 27,481,817 | 12 | 22 | .051620215 |
| G1 | 17,051,239 | 0.9524 | 17,903,443 | 6 | 26 | .004179194 |
| G1 | 17,363,662 | 0.9766 | 17,779,707 | 4 | 8 | .003849122 |
| G1 | 17,450,836 | 0.9793 | 17,819,704 | 2 | 3 | .000048641 |
| L1 | 14,524,287 | 0.9857 | 14,734,997 | 7 | 333 | .004762348 |
| L1 | 14,645,810 | 0.9216 | 15,891,721 | 9 | 70 | .036189815 |
| L1 | 15,076,934 | 0.9795 | 15,392,480 | 9 | 23 | .000705916 |
| L1 | 13,416,221 | 1.0000 | 13,416,221 | 2 | 3 | |
| Random Totals: | 460,852,942 | 490,611,455 | 170 | 6,991 | ||
| Catg J Exception Values: | 27,486,004 | 31,563,193 | ||||
| Catg D1 Exception Values: | 7,195,190 | 11,561,273 | ||||
| Catg F1 Exception Values: | 22,003,568 | 21,564,187 | ||||
| Catg G1 Exception Values: | 41,364,392 | 41,987,024 | ||||
| Total Test Values (4): | 558,902,096 | 597,287,132 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 29,864,357 |
Confidence Interval Values (5)
| Local Test Value: | 558,902,096 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 567,422,775 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 627,151,489 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 811,794,266 | (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