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Ellis County
2019 Confidence Interval Detail
Ellis County
070-911/Red Oak ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 309,380,261 | 0.9169 | 337,419,851 | 50 | 1980 | 0.014945806 |
| A | 420,975,489 | 0.9550 | 440,812,030 | 72 | 2094 | 0.012769111 |
| A | 543,597,709 | 0.9835 | 552,717,549 | 70 | 2202 | 0.005348234 |
| A | 531,260,775 | 0.9992 | 531,686,124 | 70 | 1462 | 0.009281222 |
| F1 | 33,319,760 | 0.9132 | 36,486,816 | 10 | 116 | 0.008818680 |
| F1 | 37,840,906 | 0.9658 | 39,180,893 | 8 | 46 | 0.039805799 |
| F1 | 58,053,210 | 0.9380 | 61,890,416 | 7 | 33 | 0.048851045 |
| F1 | 30,935,760 | 0.9029 | 34,262,665 | 4 | 5 | 0.074177249 |
| Random Totals: | 1,965,363,870 | 2,034,456,344 | 291 | 7,938 | ||
| CATG D1 EXCEPTION VALUES: | 1,676,407 | 840,038 | ||||
| Total Test Values(1) | 1,967,040,277 | 2,035,296,382 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 101,764,819 |
Confidence Interval Values(5)
| Local Test Value: | 1,967,040,277 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,933,531,563 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 2,137,061,201 | (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