2009 Confidence Interval Detail
030/Callahan
030-903/Baird ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,413,210 | 1.1432 | 5,609,876 | 15 | 273 | .082322841 |
| A | 7,378,780 | 0.9855 | 7,487,347 | 13 | 163 | .010412411 |
| A | 7,344,720 | 0.9421 | 7,796,115 | 10 | 101 | .029300025 |
| A | 7,747,720 | 0.9474 | 8,177,876 | 8 | 57 | .019112193 |
| D3 | 30,441,540 | 1.0271 | 29,638,341 | 28 | 2,455 | .463976694 |
| F1 | 1,418,170 | 1.0534 | 1,346,279 | 8 | 60 | .124536694 |
| F1 | 1,621,550 | 0.8898 | 1,822,376 | 7 | 18 | .053012092 |
| G1 | 1,211,466 | 1.0854 | 1,116,147 | 15 | 68 | .130968952 |
| G1 | 1,307,900 | 1.1659 | 1,121,794 | 9 | 16 | .027526621 |
| G1 | 1,452,586 | 0.8204 | 1,770,583 | 3 | 4 | .124102923 |
| L1 | 608,480 | 0.9301 | 654,209 | 8 | 28 | .010181360 |
| L1 | 565,600 | 0.9662 | 585,386 | 8 | 10 | .001997637 |
| L1 | 731,590 | 0.9743 | 750,888 | 3 | 4 | .000616627 |
| Random Totals: | 68,243,312 | 67,877,217 | 135 | 3,257 | ||
| Catg J Exception Values: | 15,534,180 | 15,658,217 | ||||
| Catg D1 Exception Values: | 11,165,460 | 11,005,079 | ||||
| Catg F1 Exception Values: | 5,634,850 | 5,915,475 | ||||
| Catg G1 Exception Values: | 722,150 | 681,835 | ||||
| Catg L1 Exception Values: | 2,261,000 | 2,334,759 | ||||
| Total Test Values (4): | 103,560,952 | 103,472,582 |
Margin of Error
| Margin of Error Percent: | 7.3303970 |
|---|---|
| Margin of Error Value: | 7,584,951 |
Confidence Interval Values (5)
| State Lower Limit: | 95,887,631 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 103,560,952 | (Within Confidence Interval) |
| State Upper Limit: | 111,057,533 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 102,633,214 | (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