2006 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 | 91,735,800 | 0.9520 | 96,361,134 | 26 | 1,959 | .008873614 |
| A | 91,864,861 | 0.9968 | 92,159,772 | 25 | 1,150 | .003978224 |
| A | 91,711,839 | 1.0064 | 91,128,616 | 46 | 837 | .007664020 |
| A | 91,624,778 | 0.9947 | 92,112,977 | 24 | 472 | .003273369 |
| F1 | 23,549,435 | 0.9094 | 25,895,574 | 8 | 326 | .011047353 |
| F1 | 23,475,126 | 0.9908 | 23,693,103 | 9 | 129 | .003398898 |
| F1 | 23,834,569 | 0.9190 | 25,935,331 | 6 | 50 | .024604541 |
| F1 | 23,181,662 | 0.9093 | 25,493,965 | 6 | 14 | .015445947 |
| G1 | 26,739,240 | 1.0058 | 26,585,047 | 5 | 19 | .002956342 |
| G1 | 28,760,170 | 0.9802 | 29,341,124 | 4 | 7 | .002777536 |
| G1 | 26,556,970 | 1.0543 | 25,189,197 | 3 | 4 | .000634524 |
| L1 | 10,910,911 | 1.0509 | 10,382,445 | 8 | 298 | .026347249 |
| L1 | 10,988,410 | 1.0771 | 10,201,848 | 6 | 73 | .021661107 |
| L1 | 11,344,146 | 0.9697 | 11,698,614 | 7 | 31 | .001606148 |
| L1 | 10,092,414 | 0.8491 | 11,886,013 | 3 | 4 | .011887026 |
| Random Totals: | 586,370,331 | 598,064,760 | 186 | 5,373 | ||
| Catg J Exception Values: | 39,363,653 | 39,280,868 | ||||
| Catg D1 Exception Values: | 13,014,787 | 13,819,422 | ||||
| Catg G1 Exception Values: | 24,226,140 | 22,649,538 | ||||
| Total Test Values (4): | 662,974,911 | 673,814,588 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 33,690,729 |
Confidence Interval Values (5)
| State Lower Limit: | 640,123,859 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 662,974,911 | (Within Confidence Interval) |
| State Upper Limit: | 707,505,317 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 960,719,262 | (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