2009 Confidence Interval Detail
227/Travis
227-907/Manor ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 252,713,969 | 1.0168 | 248,538,522 | 27 | 2,424 | .021905924 |
| A | 272,819,858 | 0.9807 | 278,188,904 | 50 | 1,930 | .011343294 |
| A | 275,008,795 | 1.0336 | 266,068,881 | 44 | 1,595 | .007756047 |
| A | 307,486,107 | 1.0136 | 303,360,405 | 33 | 1,315 | .013813642 |
| B | 21,061,674 | 1.0098 | 20,857,273 | 5 | 21 | .008982615 |
| D3 | 106,186,434 | 0.8095 | 131,175,335 | 10 | 1,735 | .058489166 |
| F1 | 125,166,683 | 1.0406 | 120,283,186 | 7 | 156 | .010073632 |
| F1 | 142,722,326 | 1.0085 | 141,519,411 | 6 | 52 | .005990509 |
| F1 | 133,079,733 | 0.9828 | 135,408,764 | 6 | 24 | .014231384 |
| F1 | 100,544,799 | 0.9553 | 105,249,449 | 4 | 8 | .003389512 |
| L1 | 89,266,360 | 0.9134 | 97,729,757 | 10 | 312 | .006599870 |
| L1 | 87,091,910 | 0.9046 | 96,276,708 | 6 | 59 | .008067432 |
| L1 | 74,250,195 | 1.0415 | 71,291,594 | 5 | 12 | .052445204 |
| Random Totals: | 1,987,398,843 | 2,015,948,189 | 213 | 9,643 | ||
| Catg D1 Exception Values: | 4,250,810 | 3,488,888 | ||||
| Catg B Exception Values: | 108,737,774 | 110,700,200 | ||||
| Catg L1 Exception Values: | 49,661,382 | 49,693,827 | ||||
| Total Test Values (4): | 2,150,048,809 | 2,179,831,104 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 108,991,555 |
Confidence Interval Values (5)
| State Lower Limit: | 2,070,839,549 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,150,048,809 | (Within Confidence Interval) |
| State Upper Limit: | 2,288,822,659 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,886,870,897 | (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