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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 | 0.8568 | 4,307,446 | 9 | 46 | 0.088231738 |
| A | 3,257,200 | 0.9941 | 3,276,532 | 8 | 23 | 0.015214321 |
| A | 5,905,280 | 0.9355 | 6,312,432 | 6 | 23 | 0.028096743 |
| A | 4,472,280 | 1.1194 | 3,995,247 | 5 | 12 | 0.002448212 |
| E | 87,790,020 | 0.7214 | 121,693,956 | 20 | 413 | 0.076621756 |
| Random Totals: | 105,115,400 | 139,585,613 | 48 | 517 | ||
| CATG D1 EXCEPTION VALUES: | 5,779,950 | 4,110,061 | ||||
| CATG J EXCEPTION VALUES: | 8,717,830 | 9,360,186 | ||||
| Total Test Values | 119,613,180 | 153,055,860 |
Margin of Error
| Margin of Error Percent: | 9.7006088 |
|---|---|
| Margin of Error Value: | 14,847,350 |
Confidence Interval Values(5)
| Local Test Value: | 119,613,180 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 138,208,510 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 167,903,210 | (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