2008 Confidence Interval Detail
156/Martin
058-909/Sands ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 3,220,276 | 1.0822 | 2,975,675 | 15 | 427 | .214977202 |
| G1 | 3,260,290 | 1.0456 | 3,118,104 | 5 | 17 | .124077069 |
| G1 | 3,573,350 | 0.9027 | 3,958,513 | 4 | 8 | .037442804 |
| G1 | 2,981,861 | 1.1126 | 2,680,084 | 2 | 3 | .000737265 |
| Random Totals: | 13,035,777 | 12,732,376 | 26 | 455 | ||
| Catg J Exception Values: | 86,240 | 85,029 | ||||
| Catg D1 Exception Values: | 3,910,850 | 6,615,148 | ||||
| Catg G1 Exception Values: | 6,749,130 | 7,119,007 | ||||
| Total Test Values (4): | 23,781,997 | 26,551,560 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,327,578 |
Confidence Interval Values (5)
| Local Test Value: | 23,781,997 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 25,223,982 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 27,879,138 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 29,496,066 | (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