2009 Confidence Interval Detail
127/Jones
221-904/Merkel ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 23,186,510 | 0.9705 | 23,891,303 | 12 | 783 | .020876218 |
| G1 | 2,921,860 | 0.9954 | 2,935,363 | 5 | 23 | .014255522 |
| G1 | 3,000,751 | 1.0255 | 2,926,135 | 4 | 8 | .001826137 |
| G1 | 2,703,140 | 1.0037 | 2,693,175 | 3 | 4 | .004652768 |
| Random Totals: | 31,812,261 | 32,445,976 | 24 | 818 | ||
| Catg D1 Exception Values: | 4,690,600 | 5,569,873 | ||||
| Catg G1 Exception Values: | 5,453,430 | 5,271,129 | ||||
| Total Test Values (4): | 41,956,291 | 43,286,978 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 2,164,349 |
Confidence Interval Values (5)
| State Lower Limit: | 41,122,629 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 41,956,291 | (Within Confidence Interval) |
| State Upper Limit: | 45,451,327 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 39,700,345 | (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