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Ellis County
2020 Confidence Interval Detail
Ellis County
070-908/Midlothian ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 930,595,643 | 0.9713 | 958,092,910 | 98 | 4,442 | 0.008065349 |
| A | 891,467,577 | 0.9820 | 907,808,123 | 98 | 3,071 | 0.006505559 |
| A | 1,037,824,006 | 0.9951 | 1,042,934,384 | 98 | 2,860 | 0.003815322 |
| A | 1,182,903,888 | 1.0001 | 1,182,785,609 | 99 | 2,460 | 0.007421800 |
| F1 | 108,522,313 | 1.0466 | 103,690,343 | 10 | 210 | 0.028213905 |
| F1 | 110,600,671 | 1.0956 | 100,949,864 | 9 | 62 | 0.012991854 |
| F1 | 76,829,434 | 1.0470 | 73,380,548 | 7 | 17 | 0.059592679 |
| F1 | 85,155,320 | 0.9511 | 89,538,212 | 3 | 7 | 0.005960972 |
| Random Totals: | 4,423,898,852 | 4,459,179,993 | 422 | 13,129 | ||
| CATG D1 EXCEPTION VALUES: | 4,755,595 | 1,367,208 | ||||
| Total Test Values | 4,428,654,447 | 4,460,547,201 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 223,027,360 |
Confidence Interval Values(5)
| Local Test Value: | 4,428,654,447 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 4,237,519,841 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 4,683,574,561 | (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