2011 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 | 374,838,278 | 1.0029 | 373,754,390 | 26 | 4,927 | .050612233 |
| A | 378,466,000 | 0.9195 | 411,599,782 | 24 | 3,170 | .008230813 |
| A | 391,664,545 | 0.9774 | 400,720,836 | 31 | 2,623 | .005814069 |
| A | 391,349,210 | 1.0409 | 375,971,957 | 21 | 1,731 | .004583021 |
| F1 | 84,372,762 | 1.0120 | 83,372,294 | 10 | 349 | .010725714 |
| F1 | 82,792,270 | 0.9402 | 88,058,147 | 10 | 89 | .008877634 |
| F1 | 89,379,600 | 1.0111 | 88,398,378 | 8 | 42 | .023887040 |
| F1 | 73,104,420 | 1.0539 | 69,365,613 | 5 | 10 | .002486290 |
| L1 | 35,168,478 | 1.0536 | 33,379,345 | 10 | 543 | .007558328 |
| L1 | 38,402,643 | 1.0194 | 37,671,810 | 10 | 97 | .003164318 |
| L1 | 42,144,488 | 1.0052 | 41,926,470 | 7 | 21 | .009954255 |
| L1 | 35,980,119 | 0.9771 | 36,823,374 | 3 | 4 | .001002526 |
| Random Totals: | 2,017,662,813 | 2,041,042,396 | 165 | 13,606 | ||
| Catg D1 Exception Values: | 919,389 | 1,213,447 | ||||
| Total Test Values (4): | 2,018,582,202 | 2,042,255,843 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 102,112,792 |
Confidence Interval Values (5)
| State Lower Limit: | 1,940,143,051 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,018,582,202 | (Within Confidence Interval) |
| State Upper Limit: | 2,144,368,635 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,393,305,955 | (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