2008 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 | 343,995,670 | 0.8660 | 397,223,637 | 21 | 4,816 | .021258541 |
| A | 346,380,290 | 0.9488 | 365,071,975 | 24 | 3,008 | .008466330 |
| A | 362,733,560 | 0.9873 | 367,399,534 | 22 | 2,511 | .007004842 |
| A | 383,473,310 | 0.9698 | 395,414,838 | 12 | 1,742 | .004563856 |
| C | 30,854,072 | 0.9350 | 32,999,007 | 7 | 2,883 | .019531157 |
| C | 29,855,239 | 0.9369 | 31,865,982 | 7 | 1,030 | .015258075 |
| C | 28,030,009 | 0.8425 | 33,270,040 | 7 | 309 | .086557232 |
| C | 27,998,530 | 0.8827 | 31,719,191 | 6 | 46 | .016528730 |
| F1 | 333,257,112 | 0.9822 | 339,296,591 | 18 | 912 | .010982158 |
| L1 | 32,523,840 | 1.0387 | 31,312,063 | 7 | 535 | .009139805 |
| L1 | 30,271,365 | 1.0560 | 28,666,065 | 7 | 98 | .015751866 |
| L1 | 36,156,688 | 1.0436 | 34,646,117 | 5 | 29 | .014203577 |
| L1 | 47,991,160 | 1.1151 | 43,037,539 | 3 | 8 | .071660002 |
| Random Totals: | 2,033,520,845 | 2,131,922,579 | 146 | 17,927 | ||
| Catg D1 Exception Values: | 1,022,138 | 998,093 | ||||
| Total Test Values (4): | 2,034,542,983 | 2,132,920,672 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 106,646,034 |
Confidence Interval Values (5)
| State Lower Limit: | 2,026,274,638 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,034,542,983 | (Within Confidence Interval) |
| State Upper Limit: | 2,239,566,706 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,347,273,950 | (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