2007 Confidence Interval Detail
084/Galveston
084-901/Dickinson ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 336,482,397 | 0.9783 | 343,946,026 | 20 | 4,602 | .011604325 |
| A | 336,776,218 | 0.9851 | 341,870,082 | 23 | 2,799 | .001843184 |
| A | 336,544,482 | 1.0010 | 336,208,274 | 26 | 2,217 | .001797701 |
| A | 336,054,847 | 0.9938 | 338,151,386 | 24 | 1,417 | .002753014 |
| C | 27,430,010 | 0.8513 | 32,221,320 | 9 | 2,602 | .353863529 |
| C | 27,424,391 | 0.9338 | 29,368,592 | 8 | 974 | .076243519 |
| C | 27,420,701 | 0.9615 | 28,518,670 | 10 | 514 | .038900328 |
| C | 27,386,611 | 0.9744 | 28,106,128 | 6 | 69 | .001129992 |
| F1 | 67,955,436 | 0.9318 | 72,929,208 | 7 | 337 | .038985711 |
| F1 | 68,468,263 | 1.0312 | 66,396,686 | 6 | 89 | .011295380 |
| F1 | 69,208,798 | 0.8697 | 79,577,783 | 6 | 35 | .008770974 |
| F1 | 65,444,295 | 0.9321 | 70,211,667 | 4 | 9 | .000688036 |
| L1 | 31,123,649 | 1.0101 | 30,812,443 | 8 | 525 | .003542142 |
| L1 | 31,164,857 | 0.9838 | 31,678,041 | 9 | 101 | .023659801 |
| L1 | 31,700,432 | 0.9857 | 32,160,325 | 5 | 22 | .010127011 |
| L1 | 30,063,973 | 0.9158 | 32,828,099 | 3 | 5 | .024692610 |
| Random Totals: | 1,850,649,360 | 1,894,984,730 | 174 | 16,317 | ||
| Catg D1 Exception Values: | 1,028,847 | 950,985 | ||||
| Total Test Values (4): | 1,851,678,207 | 1,895,935,715 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 94,796,786 |
Confidence Interval Values (5)
| State Lower Limit: | 1,801,138,929 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,851,678,207 | (Within Confidence Interval) |
| State Upper Limit: | 1,990,732,501 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,159,806,022 | (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