2007 Confidence Interval Detail
102/Harrison
102-903/Waskom ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 19,797,500 | 0.9907 | 19,983,345 | 7 | 457 | .051654482 |
| A | 19,867,317 | 1.0701 | 18,565,851 | 7 | 233 | .025974592 |
| A | 19,757,053 | 0.9470 | 20,862,780 | 7 | 164 | .022284742 |
| A | 19,760,646 | 0.9843 | 20,075,837 | 7 | 105 | .011310508 |
| D3 | 15,337,520 | 0.7258 | 21,131,882 | 21 | 1,301 | .175482508 |
| G1 | 41,438,394 | 0.9904 | 41,840,059 | 15 | 100 | .090720684 |
| G1 | 40,660,099 | 1.0470 | 38,834,861 | 14 | 47 | .081430619 |
| G1 | 41,883,998 | 1.0627 | 39,412,815 | 12 | 30 | .057790248 |
| G1 | 39,593,902 | 1.1864 | 33,373,147 | 8 | 15 | .118644129 |
| Random Totals: | 258,096,429 | 254,080,577 | 98 | 2,452 | ||
| Catg J Exception Values: | 6,707,785 | 6,429,392 | ||||
| Catg D1 Exception Values: | 2,944,890 | 3,098,284 | ||||
| Total Test Values (4): | 267,749,104 | 263,608,253 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 13,180,413 |
Confidence Interval Values (5)
| State Lower Limit: | 250,427,840 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 267,749,104 | (Within Confidence Interval) |
| State Upper Limit: | 276,788,666 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 371,824,587 | (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