2007 Confidence Interval Detail
086/Gillespie
086-901/Fredericksburg ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 237,687,416 | 0.9997 | 237,758,744 | 19 | 1,819 | .032716723 |
| A | 237,638,108 | 0.9423 | 252,189,439 | 24 | 1,288 | .032271999 |
| A | 237,608,177 | 0.8425 | 282,027,510 | 15 | 984 | .128576149 |
| A | 237,558,151 | 1.0681 | 222,411,901 | 27 | 623 | .019589688 |
| D3 | 689,485,939 | 0.8462 | 814,802,575 | 19 | 14,577 | .038662437 |
| F1 | 80,362,297 | 0.9636 | 83,397,984 | 11 | 389 | .044663339 |
| F1 | 80,146,312 | 0.9771 | 82,024,677 | 10 | 163 | .031586702 |
| F1 | 80,458,903 | 0.9531 | 84,418,112 | 9 | 74 | .002051376 |
| F1 | 79,500,032 | 0.9893 | 80,359,883 | 7 | 23 | .012419104 |
| Random Totals: | 1,960,445,335 | 2,139,390,825 | 141 | 19,940 | ||
| Catg D1 Exception Values: | 32,306,421 | 31,744,089 | ||||
| Total Test Values (4): | 1,992,751,756 | 2,171,134,914 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 108,556,746 |
Confidence Interval Values (5)
| Local Test Value: | 1,992,751,756 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 2,062,578,168 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 2,279,691,660 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,951,190,625 | (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