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Erath County
2021 Confidence Interval Detail
Erath County
072-910/Morgan Mill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,690,620 | 0.8848 | 4,171,135 | 9 | 46 | 0.088664402 |
| A | 3,257,200 | 1.0167 | 3,203,698 | 8 | 23 | 0.012533061 |
| A | 5,905,280 | 0.9871 | 5,982,454 | 5 | 23 | 0.016261108 |
| A | 4,472,280 | 1.0835 | 4,127,623 | 6 | 12 | 0.008058822 |
| E | 87,790,020 | 0.8636 | 101,655,882 | 19 | 413 | 0.083181811 |
| Random Totals: | 105,115,400 | 119,140,792 | 47 | 517 | ||
| CATG D1 EXCEPTION VALUES: | 5,779,950 | 4,110,061 | ||||
| CATG J EXCEPTION VALUES: | 94,150 | 95,583 | ||||
| Total Test Values | 110,989,500 | 123,346,436 |
Margin of Error
| Margin of Error Percent: | 10.7632824 |
|---|---|
| Margin of Error Value: | 13,276,125 |
Confidence Interval Values(5)
| Local Test Value: | 110,989,500 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 110,070,311 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 136,622,561 | (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