2011 Confidence Interval Detail
129/Kaufman
129-902/Forney ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 389,526,610 | 0.9957 | 391,208,808 | 35 | 3,338 | .010964192 |
| A | 385,939,266 | 1.0130 | 380,986,442 | 33 | 2,558 | .004354341 |
| A | 388,911,590 | 0.9752 | 398,801,877 | 25 | 2,040 | .009045758 |
| A | 336,321,080 | 0.9966 | 337,468,473 | 19 | 1,243 | .010331274 |
| F1 | 49,377,121 | 0.8737 | 56,514,961 | 10 | 116 | .029947583 |
| F1 | 44,750,050 | 0.8937 | 50,072,787 | 8 | 35 | .010729595 |
| F1 | 46,564,540 | 0.9050 | 51,452,530 | 6 | 15 | .050867645 |
| F1 | 36,010,420 | 0.8757 | 41,121,868 | 4 | 5 | .015858410 |
| Random Totals: | 1,677,400,677 | 1,707,627,746 | 140 | 9,350 | ||
| Catg D1 Exception Values: | 4,547,590 | 3,055,867 | ||||
| Total Test Values (4): | 1,681,948,267 | 1,710,683,613 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 85,534,181 |
Confidence Interval Values (5)
| State Lower Limit: | 1,625,149,432 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,681,948,267 | (Within Confidence Interval) |
| State Upper Limit: | 1,796,217,794 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,292,376,725 | (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