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226/Tom Green
2017 Confidence Interval Detail
226/Tom Green
226-907/Grape Creek ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 59,346,240 | 1.0841 | 54,742,404 | 14 | 919 | .081684892 |
| A | 58,079,620 | 0.9688 | 59,950,062 | 14 | 458 | .008350234 |
| A | 60,870,390 | 1.0335 | 58,897,329 | 26 | 321 | .004471094 |
| A | 64,854,410 | 1.0157 | 63,851,935 | 20 | 230 | .003210799 |
| E | 26,428,720 | 0.8695 | 30,395,308 | 14 | 352 | .029786504 |
| Random Totals: | 269,579,380 | 267,837,038 | 88 | 2,280 | ||
| Catg D1 Exception Values: | 7,282,440 | 5,195,043 | ||||
| Total Test Values (4): | 276,861,820 | 273,032,081 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,651,604 |
Confidence Interval Values (5)
| State Lower Limit: | 259,380,477 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 276,861,820 | (Within Confidence Interval) |
| State Upper Limit: | 286,683,685 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 274,355,950 | (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, D2, E, 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