2011 Confidence Interval Detail
084/Galveston
084-908/Hitchcock ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 88,855,477 | 1.0278 | 86,452,108 | 12 | 1,443 | .119614611 |
| A | 92,427,079 | 1.0182 | 90,774,974 | 14 | 695 | .010195305 |
| A | 84,952,440 | 0.9927 | 85,577,153 | 14 | 284 | .007208143 |
| A | 88,690,080 | 1.0302 | 86,090,157 | 9 | 149 | .010190838 |
| C | 12,601,255 | 0.9055 | 13,916,350 | 13 | 1,028 | .051157053 |
| C | 11,826,360 | 1.0412 | 11,358,394 | 11 | 156 | .038707185 |
| C | 10,448,200 | 1.1339 | 9,214,393 | 11 | 95 | .047966693 |
| C | 10,174,810 | 1.2107 | 8,404,072 | 10 | 46 | .038957252 |
| F1 | 11,989,290 | 0.9990 | 12,001,291 | 9 | 86 | .004288822 |
| F1 | 11,585,860 | 1.0751 | 10,776,542 | 8 | 24 | .037556109 |
| F1 | 9,939,160 | 0.8808 | 11,284,242 | 4 | 6 | .016918323 |
| F1 | 9,285,680 | 0.9831 | 9,445,306 | 2 | 3 | .000053171 |
| Random Totals: | 442,775,691 | 435,294,982 | 117 | 4,015 | ||
| Catg D1 Exception Values: | 1,710,011 | 2,603,129 | ||||
| Total Test Values (4): | 444,485,702 | 437,898,111 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 21,894,906 |
Confidence Interval Values (5)
| State Lower Limit: | 416,003,205 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 444,485,702 | (Within Confidence Interval) |
| State Upper Limit: | 459,793,017 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 476,688,234 | (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