2007 Confidence Interval Detail
118/Irion
118-902/Irion County ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,560,495 | 0.4138 | 18,270,892 | 8 | 217 | .586835190 |
| A | 7,572,216 | 0.7582 | 9,987,096 | 9 | 111 | .008813553 |
| A | 7,471,801 | 0.8069 | 9,259,885 | 7 | 74 | .213859540 |
| A | 7,427,776 | 0.8017 | 9,265,032 | 5 | 48 | .022117142 |
| D3 | 10,312,760 | 0.5559 | 18,551,466 | 12 | 2,310 | .713583047 |
| G1 | 91,006,682 | 0.9919 | 91,749,856 | 13 | 319 | .002947697 |
| G1 | 92,011,377 | 0.9649 | 95,358,459 | 12 | 85 | .041972859 |
| G1 | 89,155,369 | 1.1125 | 80,139,658 | 9 | 26 | .053198260 |
| G1 | 90,717,217 | 1.0989 | 82,552,750 | 5 | 8 | .039098575 |
| Random Totals: | 403,235,693 | 415,135,094 | 80 | 3,198 | ||
| Catg J Exception Values: | 4,695,410 | 4,683,047 | ||||
| Catg D1 Exception Values: | 16,556,620 | 15,964,078 | ||||
| Total Test Values (4): | 424,487,723 | 435,782,219 |
Margin of Error
| Margin of Error Percent: | 5.0169686 |
|---|---|
| Margin of Error Value: | 21,863,057 |
Confidence Interval Values (5)
| State Lower Limit: | 413,919,162 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 424,487,723 | (Within Confidence Interval) |
| State Upper Limit: | 457,645,276 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 483,815,978 | (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