2007 Confidence Interval Detail
158/Matagorda
158-901/Bay City ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 94,756,134 | 0.9263 | 102,295,297 | 32 | 1,939 | .018686582 |
| A | 94,797,745 | 0.9820 | 96,535,382 | 40 | 1,158 | .019022530 |
| A | 94,661,042 | 0.9392 | 100,789,014 | 30 | 875 | .010852284 |
| A | 94,728,226 | 0.9995 | 94,775,614 | 18 | 489 | .008531625 |
| F1 | 26,050,262 | 0.9479 | 27,482,078 | 7 | 323 | .024034898 |
| F1 | 26,044,131 | 0.9611 | 27,098,253 | 10 | 126 | .010797563 |
| F1 | 26,553,390 | 0.9223 | 28,790,404 | 7 | 50 | .012977213 |
| F1 | 25,137,815 | 0.9516 | 26,416,367 | 6 | 15 | .020991997 |
| G1 | 22,593,380 | 0.9567 | 23,615,951 | 6 | 26 | .060878589 |
| G1 | 20,882,440 | 0.9747 | 21,424,479 | 4 | 7 | .021510713 |
| G1 | 26,866,080 | 1.0986 | 24,454,833 | 3 | 5 | .001114728 |
| L1 | 12,571,644 | 1.0477 | 11,999,278 | 7 | 300 | .029588656 |
| L1 | 12,781,065 | 1.0335 | 12,366,778 | 6 | 73 | .020433233 |
| L1 | 13,072,437 | 0.9787 | 13,356,940 | 6 | 31 | .003386499 |
| L1 | 11,807,488 | 0.8752 | 13,491,188 | 3 | 5 | .004392614 |
| Random Totals: | 603,303,279 | 624,891,856 | 185 | 5,422 | ||
| Catg J Exception Values: | 33,791,682 | 33,233,468 | ||||
| Catg D1 Exception Values: | 12,901,366 | 13,931,865 | ||||
| Catg G1 Exception Values: | 14,757,870 | 22,403,973 | ||||
| Total Test Values (4): | 664,754,197 | 694,461,162 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 34,723,058 |
Confidence Interval Values (5)
| State Lower Limit: | 659,738,104 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 664,754,197 | (Within Confidence Interval) |
| State Upper Limit: | 729,184,220 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 979,714,660 | (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