2006 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 | 10,911,611 | 1.0002 | 10,909,429 | 16 | 1,520 | .015514629 |
| G1 | 25,295,980 | 0.9944 | 25,438,435 | 6 | 54 | .021954745 |
| G1 | 25,232,350 | 1.0072 | 25,051,976 | 4 | 11 | .001406162 |
| G1 | 30,790,221 | 1.0189 | 30,219,080 | 3 | 4 | .004764121 |
| Random Totals: | 92,230,162 | 91,618,920 | 29 | 1,589 | ||
| Catg D1 Exception Values: | 7,559,160 | 12,485,631 | ||||
| Catg G1 Exception Values: | 48,130,136 | 47,730,920 | ||||
| Total Test Values (4): | 147,919,458 | 151,835,471 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 7,591,774 |
Confidence Interval Values (5)
| State Lower Limit: | 144,243,697 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 147,919,458 | (Within Confidence Interval) |
| State Upper Limit: | 159,427,245 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 163,671,817 | (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