2009 Confidence Interval Detail
236/Walker
236-901/New Waverly ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,827,820 | 0.9504 | 16,653,851 | 8 | 356 | .005039156 |
| A | 15,542,510 | 0.9664 | 16,082,895 | 8 | 204 | .015283888 |
| A | 15,859,260 | 1.0248 | 15,475,468 | 8 | 142 | .003437620 |
| A | 17,821,200 | 1.0312 | 17,282,002 | 7 | 87 | .006390497 |
| C | 8,078,470 | 0.9620 | 8,397,578 | 7 | 551 | .003279542 |
| C | 5,360,330 | 0.9073 | 5,908,002 | 17 | 186 | .006541729 |
| C | 2,920,040 | 0.8924 | 3,272,120 | 6 | 53 | .011353464 |
| D3 | 75,868,450 | 1.0079 | 75,273,787 | 20 | 1,981 | .054910165 |
| Random Totals: | 157,278,080 | 158,345,703 | 81 | 3,560 | ||
| Catg D1 Exception Values: | 5,779,040 | 6,248,646 | ||||
| Total Test Values (4): | 163,057,120 | 164,594,349 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,229,717 |
Confidence Interval Values (5)
| State Lower Limit: | 156,364,632 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 163,057,120 | (Within Confidence Interval) |
| State Upper Limit: | 172,824,066 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 193,524,957 | (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