2011 Confidence Interval Detail
226/Tom Green
226-901/Christoval ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 27,920,800 | 0.9352 | 29,855,432 | 10 | 335 | .019478757 |
| A | 26,532,250 | 0.9109 | 29,127,511 | 10 | 163 | .005963331 |
| A | 27,834,150 | 0.9537 | 29,185,436 | 10 | 124 | .005060755 |
| A | 29,725,550 | 0.9893 | 30,047,053 | 10 | 92 | .002669073 |
| D3 | 32,427,585 | 0.9041 | 35,867,255 | 15 | 1,622 | .010299539 |
| G1 | 3,904,296 | 1.0149 | 3,846,976 | 7 | 14 | .018086891 |
| G1 | 3,892,865 | 1.0216 | 3,810,557 | 2 | 5 | .000159786 |
| Random Totals: | 152,237,496 | 161,740,220 | 64 | 2,355 | ||
| Catg J Exception Values: | 3,238,860 | 3,287,529 | ||||
| Catg D1 Exception Values: | 11,403,780 | 10,175,746 | ||||
| Catg G1 Exception Values: | 10,310,143 | 9,906,871 | ||||
| Total Test Values (4): | 177,190,279 | 185,110,366 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,255,518 |
Confidence Interval Values (5)
| State Lower Limit: | 175,854,848 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 177,190,279 | (Within Confidence Interval) |
| State Upper Limit: | 194,365,884 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 205,504,239 | (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