2007 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 | 11,720,821 | 0.8775 | 13,357,061 | 10 | 1,559 | .038227177 |
| G1 | 25,937,301 | 0.9538 | 27,193,648 | 6 | 54 | .062680281 |
| G1 | 24,722,040 | 1.0154 | 24,347,095 | 4 | 11 | .000740106 |
| G1 | 31,528,842 | 1.0160 | 31,032,325 | 3 | 5 | .004057142 |
| Random Totals: | 93,909,004 | 95,930,129 | 23 | 1,629 | ||
| Catg D1 Exception Values: | 13,430,700 | 20,215,466 | ||||
| Catg G1 Exception Values: | 44,558,106 | 42,588,688 | ||||
| Total Test Values (4): | 151,897,810 | 158,734,283 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,936,714 |
Confidence Interval Values (5)
| State Lower Limit: | 150,797,569 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 151,897,810 | (Within Confidence Interval) |
| State Upper Limit: | 166,670,997 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 168,482,128 | (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