2008 Confidence Interval Detail
087/Glasscock
087-901/Glasscock County ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 20,628,520 | 0.8011 | 25,750,243 | 20 | 3,240 | .383731535 |
| G1 | 181,215,190 | 1.0086 | 179,670,028 | 17 | 246 | .016185871 |
| G1 | 181,543,183 | 0.9020 | 201,267,387 | 15 | 67 | .032549228 |
| G1 | 191,646,466 | 0.9716 | 197,248,318 | 14 | 15 | .005577347 |
| Random Totals: | 575,033,359 | 603,935,976 | 66 | 3,568 | ||
| Catg D1 Exception Values: | 13,507,380 | 54,230,761 | ||||
| Catg G1 Exception Values: | 375,211,228 | 351,481,978 | ||||
| Total Test Values (4): | 963,751,967 | 1,009,648,715 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 50,482,436 |
Confidence Interval Values (5)
| State Lower Limit: | 959,166,279 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 963,751,967 | (Within Confidence Interval) |
| State Upper Limit: | 1,060,131,151 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,119,134,934 | (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