2008 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 | 7,388,660 | 0.8850 | 8,348,768 | 11 | 197 | .014456664 |
| A | 7,758,150 | 0.8639 | 8,980,380 | 10 | 110 | .014283990 |
| A | 9,132,730 | 0.9552 | 9,561,066 | 12 | 83 | .005804725 |
| A | 11,175,800 | 0.9576 | 11,670,635 | 9 | 66 | .006471125 |
| D3 | 12,520,510 | 0.7839 | 15,972,076 | 25 | 2,341 | .130628235 |
| G1 | 122,017,630 | 1.0153 | 120,178,893 | 18 | 319 | .009079275 |
| G1 | 122,711,910 | 1.0184 | 120,494,806 | 15 | 75 | .012336566 |
| G1 | 120,690,121 | 1.0242 | 117,838,431 | 15 | 23 | .007267785 |
| G1 | 119,852,547 | 1.0340 | 115,911,554 | 6 | 7 | .001977530 |
| Random Totals: | 533,248,058 | 528,956,609 | 121 | 3,221 | ||
| Catg J Exception Values: | 4,708,240 | 4,555,806 | ||||
| Catg D1 Exception Values: | 15,758,080 | 18,815,083 | ||||
| Total Test Values (4): | 553,714,378 | 552,327,498 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 27,616,375 |
Confidence Interval Values (5)
| State Lower Limit: | 524,711,123 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 553,714,378 | (Within Confidence Interval) |
| State Upper Limit: | 579,943,873 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 646,809,572 | (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