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Ellis County
2020 Confidence Interval Detail
Ellis County
070-901/Avalon ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,478,450 | 0.8487 | 2,920,290 | 16 | 46 | 0.064874482 |
| A | 2,702,366 | 1.0391 | 2,600,679 | 15 | 27 | 0.042889689 |
| A | 5,908,626 | 1.0925 | 5,408,353 | 15 | 43 | 0.014335396 |
| A | 6,676,384 | 1.0436 | 6,397,455 | 10 | 30 | 0.010453505 |
| E | 30,825,992 | 0.9782 | 31,512,975 | 21 | 262 | 0.017847551 |
| Random Totals: | 48,591,818 | 48,839,752 | 77 | 408 | ||
| CATG D1 EXCEPTION VALUES: | 5,565,465 | 2,485,471 | ||||
| CATG J EXCEPTION VALUES: | 3,126,600 | 3,282,589 | ||||
| Total Test Values | 57,283,883 | 54,607,812 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,730,391 |
Confidence Interval Values(5)
| Local Test Value: | 57,283,883 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 51,877,421 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 57,338,203 | (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