2006 Confidence Interval Detail
237/Waller
237-904/Waller ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 140,290,062 | 1.0263 | 136,694,984 | 26 | 2,305 | .028461505 |
| A | 140,185,777 | 1.0019 | 139,919,929 | 35 | 1,453 | .015084307 |
| A | 140,389,948 | 1.0085 | 139,206,691 | 29 | 1,004 | .019475696 |
| A | 140,063,309 | 0.9666 | 144,903,072 | 19 | 609 | .007823701 |
| D3 | 430,938,427 | 0.9885 | 435,951,874 | 46 | 10,972 | .026089278 |
| F1 | 20,465,877 | 0.9966 | 20,535,698 | 9 | 222 | .010701517 |
| F1 | 20,891,064 | 0.8948 | 23,347,188 | 8 | 63 | .083759324 |
| F1 | 21,197,134 | 1.0003 | 21,190,777 | 6 | 23 | .013678590 |
| F1 | 19,219,224 | 0.8573 | 22,418,318 | 5 | 9 | .083638657 |
| Random Totals: | 1,073,640,822 | 1,084,168,531 | 183 | 16,660 | ||
| Catg D1 Exception Values: | 23,632,421 | 23,155,066 | ||||
| Total Test Values (4): | 1,097,273,243 | 1,107,323,597 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 55,366,180 |
Confidence Interval Values (5)
| State Lower Limit: | 1,051,957,417 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,097,273,243 | (Within Confidence Interval) |
| State Upper Limit: | 1,162,689,777 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,235,209,506 | (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