2007 Confidence Interval Detail
016/Blanco
016-902/Blanco ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 22,676,762 | 0.9393 | 24,142,193 | 7 | 205 | .021830168 |
| A | 22,665,889 | 0.8278 | 27,380,876 | 8 | 135 | .019330827 |
| A | 22,560,924 | 0.9419 | 23,952,568 | 7 | 101 | .010140754 |
| A | 22,524,854 | 0.9182 | 24,531,533 | 7 | 63 | .023765597 |
| C | 18,136,279 | 0.9995 | 18,145,352 | 10 | 611 | .002338043 |
| C | 18,124,346 | 1.1439 | 15,844,345 | 54 | 345 | .009654410 |
| C | 18,063,309 | 1.1309 | 15,972,508 | 57 | 232 | .018308685 |
| C | 18,103,259 | 1.0607 | 17,067,275 | 27 | 125 | .005954332 |
| D3 | 352,458,667 | 0.9799 | 359,688,404 | 22 | 6,515 | .029638977 |
| F1 | 9,454,154 | 1.1077 | 8,534,941 | 6 | 74 | .008389233 |
| F1 | 9,213,482 | 0.9210 | 10,003,781 | 6 | 34 | .082293213 |
| F1 | 9,391,040 | 1.0858 | 8,648,959 | 5 | 21 | .010781859 |
| F1 | 8,975,075 | 0.9693 | 9,259,337 | 4 | 8 | .001171228 |
| Random Totals: | 552,348,040 | 563,172,072 | 220 | 8,469 | ||
| Catg D1 Exception Values: | 15,044,358 | 14,648,222 | ||||
| Total Test Values (4): | 567,392,398 | 577,820,294 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 28,891,015 |
Confidence Interval Values (5)
| State Lower Limit: | 548,929,279 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 567,392,398 | (Within Confidence Interval) |
| State Upper Limit: | 606,711,309 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 554,781,328 | (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