2007 Confidence Interval Detail
084/Galveston
084-902/Galveston ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 827,984,039 | 1.0047 | 824,110,719 | 32 | 10,044 | .050049333 |
| A | 828,030,750 | 0.9531 | 868,776,361 | 26 | 5,496 | .029862068 |
| A | 828,076,169 | 1.0047 | 824,202,418 | 16 | 3,324 | .001582677 |
| A | 827,735,726 | 0.9823 | 842,650,642 | 21 | 1,739 | .005730520 |
| B | 61,583,295 | 0.8568 | 71,875,928 | 9 | 620 | .051736382 |
| B | 62,287,948 | 1.0037 | 62,058,332 | 8 | 209 | .001798081 |
| B | 64,040,579 | 0.9613 | 66,618,724 | 5 | 23 | .003728536 |
| B | 57,996,978 | 0.9115 | 63,628,061 | 4 | 9 | .010864919 |
| C | 85,689,131 | 1.0399 | 82,401,318 | 7 | 3,479 | .006406445 |
| C | 85,661,071 | 1.0674 | 80,252,081 | 7 | 1,102 | .009525985 |
| C | 85,729,660 | 0.9629 | 89,032,776 | 9 | 561 | .034717535 |
| C | 85,488,620 | 0.8923 | 95,807,038 | 8 | 184 | .037167337 |
| F1 | 129,048,713 | 0.9756 | 132,276,254 | 9 | 704 | .037123366 |
| F1 | 129,496,015 | 0.9094 | 142,397,201 | 9 | 212 | .040364888 |
| F1 | 129,709,395 | 0.9834 | 131,898,917 | 6 | 65 | .057825144 |
| F1 | 127,564,716 | 0.9248 | 137,937,625 | 5 | 17 | .008641231 |
| Random Totals: | 4,416,122,805 | 4,515,924,395 | 181 | 27,788 | ||
| Catg D1 Exception Values: | 415,856 | 294,102 | ||||
| Total Test Values (4): | 4,416,538,661 | 4,516,218,497 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 225,810,925 |
Confidence Interval Values (5)
| State Lower Limit: | 4,290,407,572 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 4,416,538,661 | (Within Confidence Interval) |
| State Upper Limit: | 4,742,029,422 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,644,788,842 | (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