2011 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 | 87,049,467 | 0.9293 | 93,672,083 | 29 | 3,140 | .192981253 |
| A | 88,083,495 | 0.9825 | 89,652,412 | 18 | 1,531 | .056372035 |
| A | 86,657,459 | 0.9636 | 89,930,945 | 12 | 855 | .027852813 |
| A | 90,702,354 | 0.9543 | 95,045,954 | 13 | 496 | .003559636 |
| F1 | 31,104,372 | 0.9015 | 34,502,908 | 13 | 382 | .053533945 |
| F1 | 29,034,874 | 0.9571 | 30,336,301 | 12 | 83 | .002440115 |
| F1 | 39,290,005 | 0.9286 | 42,311,011 | 12 | 21 | .005852927 |
| F1 | 21,299,937 | 0.9743 | 21,861,785 | 3 | 3 | .000954376 |
| G1 | 63,514,351 | 0.9950 | 63,833,519 | 8 | 49 | .001414813 |
| G1 | 62,512,750 | 0.9971 | 62,694,564 | 6 | 17 | .002049925 |
| G1 | 60,724,769 | 0.9859 | 61,593,234 | 3 | 5 | .001941906 |
| L1 | 16,135,206 | 0.9899 | 16,299,834 | 10 | 269 | .003082477 |
| L1 | 16,235,234 | 0.9971 | 16,282,453 | 11 | 62 | .000915691 |
| L1 | 18,599,610 | 0.9979 | 18,638,751 | 10 | 24 | .000614823 |
| L1 | 17,258,267 | 0.9663 | 17,860,154 | 3 | 5 | .001747755 |
| Random Totals: | 728,202,150 | 754,515,908 | 163 | 6,942 | ||
| Catg J Exception Values: | 11,755,124 | 11,414,881 | ||||
| Catg D1 Exception Values: | 25,655,646 | 22,081,864 | ||||
| Catg G1 Exception Values: | 60,752,927 | 56,137,666 | ||||
| Total Test Values (4): | 826,365,847 | 844,150,319 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 42,207,516 |
Confidence Interval Values (5)
| State Lower Limit: | 801,942,803 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 826,365,847 | (Within Confidence Interval) |
| State Upper Limit: | 886,357,835 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,253,669,715 | (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