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Tom Green County
2021 Confidence Interval Detail
Tom Green County
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 | 69,206,770 | 0.7952 | 87,030,646 | 11 | 957 | 0.089994341 |
| A | 75,207,070 | 0.9567 | 78,610,923 | 11 | 517 | 0.047666772 |
| A | 69,312,000 | 0.9086 | 76,284,394 | 15 | 312 | 0.006757807 |
| A | 96,137,460 | 0.9310 | 103,262,578 | 13 | 315 | 0.025161477 |
| E | 38,920,290 | 0.9479 | 41,059,489 | 11 | 433 | 0.071336462 |
| Random Totals: | 348,783,590 | 386,248,030 | 61 | 2,534 | ||
| CATG D1 EXCEPTION VALUES: | 7,308,440 | 4,856,668 | ||||
| Total Test Values | 356,092,030 | 391,104,698 |
Margin of Error
| Margin of Error Percent: | 5.6112089 |
|---|---|
| Margin of Error Value: | 21,945,702 |
Confidence Interval Values(5)
| Local Test Value: | 356,092,030 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 369,158,996 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 413,050,400 | (State Test Value plus Margin of Error Percent) |
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