2007 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 | 16,255,964 | 0.8813 | 18,445,437 | 7 | 305 | .078721975 |
| A | 16,004,425 | 0.8675 | 18,448,905 | 9 | 155 | .039455986 |
| A | 16,138,229 | 0.8923 | 18,086,102 | 8 | 102 | .014018183 |
| A | 16,036,192 | 0.9744 | 16,457,504 | 6 | 64 | .002766940 |
| D3 | 20,704,375 | 0.8863 | 23,360,459 | 12 | 1,598 | .023755657 |
| G1 | 3,357,691 | 0.9643 | 3,481,998 | 5 | 19 | .006078284 |
| G1 | 2,940,634 | 0.9488 | 3,099,319 | 3 | 6 | .341051029 |
| G1 | 5,906,109 | 0.9741 | 6,063,144 | 3 | 4 | .004571399 |
| Random Totals: | 97,343,619 | 107,442,868 | 53 | 2,253 | ||
| Catg D1 Exception Values: | 10,075,400 | 9,399,022 | ||||
| Catg G1 Exception Values: | 3,483,640 | 3,076,925 | ||||
| Total Test Values (4): | 110,902,659 | 119,918,815 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 5,995,941 |
Confidence Interval Values (5)
| Local Test Value: | 110,902,659 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 113,922,874 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 125,914,756 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 118,861,950 | (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
