2008 Confidence Interval Detail
169/Montague
169-901/Bowie ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 48,091,210 | 1.0362 | 46,411,127 | 20 | 1,132 | .065193032 |
| A | 48,658,020 | 0.9626 | 50,548,535 | 20 | 657 | .015591604 |
| A | 52,029,190 | 1.0151 | 51,255,236 | 15 | 511 | .025695376 |
| A | 60,558,250 | 1.0248 | 59,092,750 | 17 | 332 | .023140583 |
| D3 | 148,127,290 | 1.0128 | 146,255,223 | 28 | 4,186 | .015555091 |
| F1 | 10,688,240 | 0.9455 | 11,304,326 | 10 | 189 | .036116949 |
| F1 | 11,635,400 | 0.9816 | 11,853,504 | 7 | 69 | .006660330 |
| F1 | 10,675,530 | 0.8606 | 12,404,752 | 6 | 23 | .041513933 |
| F1 | 13,371,070 | 1.0230 | 13,070,450 | 4 | 7 | .004174685 |
| G1 | 8,831,020 | 0.9348 | 9,446,962 | 6 | 66 | .043931872 |
| G1 | 8,390,590 | 0.8702 | 9,642,140 | 5 | 18 | .060564483 |
| G1 | 9,465,070 | 1.0215 | 9,265,854 | 4 | 9 | .007217192 |
| Random Totals: | 430,520,880 | 430,550,859 | 142 | 7,199 | ||
| Catg J Exception Values: | 19,529,019 | 20,003,646 | ||||
| Catg D1 Exception Values: | 8,467,950 | 7,146,769 | ||||
| Catg G1 Exception Values: | 7,744,740 | 7,508,495 | ||||
| Total Test Values (4): | 466,262,589 | 465,209,769 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 23,260,488 |
Confidence Interval Values (5)
| State Lower Limit: | 441,949,281 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 466,262,589 | (Within Confidence Interval) |
| State Upper Limit: | 488,470,257 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 485,998,987 | (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