2010 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 | 109,544,495 | 1.0551 | 103,823,803 | 24 | 1,936 | .024398935 |
| A | 116,142,080 | 1.0032 | 115,771,611 | 19 | 1,146 | .010251128 |
| A | 114,762,521 | 0.9980 | 114,992,506 | 20 | 855 | .003433099 |
| A | 118,754,710 | 0.9516 | 124,794,777 | 14 | 553 | .003952210 |
| F1 | 32,466,102 | 1.0295 | 31,535,796 | 11 | 318 | .016834853 |
| F1 | 33,352,968 | 1.0115 | 32,973,770 | 10 | 127 | .007398962 |
| F1 | 32,091,460 | 0.9928 | 32,324,194 | 8 | 45 | .035283991 |
| F1 | 49,138,597 | 0.9964 | 49,316,135 | 6 | 17 | .036470291 |
| G1 | 13,417,500 | 0.9726 | 13,795,497 | 7 | 22 | .023597021 |
| G1 | 12,624,210 | 0.8763 | 14,406,265 | 4 | 8 | .066482516 |
| G1 | 12,954,300 | 1.0025 | 12,921,995 | 3 | 5 | .174459624 |
| G1 | 10,520,410 | 1.0229 | 10,284,886 | 2 | 3 | .000226995 |
| L1 | 14,155,410 | 1.1173 | 12,669,301 | 10 | 281 | .129860043 |
| L1 | 14,079,440 | 1.1611 | 12,125,950 | 9 | 75 | .016740000 |
| L1 | 13,726,600 | 0.9622 | 14,265,849 | 7 | 23 | .007941093 |
| L1 | 14,627,580 | 0.9659 | 15,143,990 | 2 | 5 | .001831138 |
| Random Totals: | 712,358,383 | 711,146,325 | 156 | 5,419 | ||
| Catg J Exception Values: | 33,303,990 | 35,691,246 | ||||
| Catg D1 Exception Values: | 12,750,143 | 14,710,893 | ||||
| Total Test Values (4): | 758,412,516 | 761,548,464 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 38,077,423 |
Confidence Interval Values (5)
| State Lower Limit: | 723,471,041 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 758,412,516 | (Within Confidence Interval) |
| State Upper Limit: | 799,625,887 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,005,148,101 | (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
