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Erath County
2025 Confidence Interval Detail
Erath County
072-910/Morgan Mill ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 4,231,830 | 0.9823 | 4,308,083 | 9 | 20 | 7,546,093,439 |
| A | 3 | 10,034,920 | 0.9590 | 10,463,942 | 9 | 26 | 5,366,115,389 |
| A | 4 | 5,920,730 | 0.9945 | 5,953,474 | 6 | 12 | 721,521,858 |
| A | 5 | 8,336,970 | 0.9826 | 8,484,602 | 8 | 14 | 3,098,286,467 |
| E | 0 | 182,598,850 | 0.9628 | 189,653,978 | 22 | 492 | 108,198,424,905 |
| Random Totals: | 211,123,300 | 218,864,079 | 54 | 564 | |||
| CATG D1 EXCEPTION VALUES: | 4,735,700 | 3,784,678 | |||||
| CATG J EXCEPTION VALUES: | 4,711,250 | 4,784,566 | |||||
| Total Test Values | 220,570,250 | 227,433,323 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 11,371,666 |
Confidence Interval Values(5)
| Local Test Value: | 220,570,250 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 216,061,657 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 238,804,989 | (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