2008 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 | 234,935,241 | 0.9482 | 247,769,712 | 57 | 2,415 | .009152475 |
| A | 220,438,480 | 0.9634 | 228,813,037 | 57 | 1,656 | .005763987 |
| A | 262,316,409 | 0.9857 | 266,121,953 | 57 | 1,603 | .004093158 |
| A | 341,061,620 | 0.9886 | 344,994,558 | 56 | 1,554 | .022172942 |
| B | 18,919,133 | 1.0127 | 18,681,873 | 5 | 18 | .000625005 |
| D3 | 118,927,435 | 0.8909 | 133,491,340 | 12 | 1,741 | .008755405 |
| F1 | 139,342,225 | 0.8713 | 159,924,509 | 7 | 164 | .038662729 |
| F1 | 115,898,794 | 0.9734 | 119,065,948 | 6 | 38 | .007470394 |
| F1 | 143,232,487 | 0.9550 | 149,981,662 | 5 | 23 | .010635717 |
| F1 | 108,720,094 | 0.9967 | 109,080,058 | 4 | 8 | .005912223 |
| L1 | 72,342,909 | 0.9085 | 79,628,959 | 8 | 207 | .010158000 |
| L1 | 60,916,292 | 0.9737 | 62,561,664 | 7 | 48 | .005353753 |
| L1 | 63,153,933 | 1.0044 | 62,877,273 | 5 | 15 | .000239467 |
| L1 | 104,315,071 | 0.9985 | 104,471,779 | 3 | 6 | .000044936 |
| Random Totals: | 2,004,520,123 | 2,087,464,325 | 289 | 9,496 | ||
| Catg D1 Exception Values: | 4,335,658 | 3,292,020 | ||||
| Catg B Exception Values: | 110,816,320 | 115,350,000 | ||||
| Catg L1 Exception Values: | 145,406,949 | 141,889,324 | ||||
| Total Test Values (4): | 2,265,079,050 | 2,347,995,669 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 117,399,783 |
Confidence Interval Values (5)
| State Lower Limit: | 2,230,595,886 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,265,079,050 | (Within Confidence Interval) |
| State Upper Limit: | 2,465,395,452 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,724,280,007 | (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