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Collingsworth County
2021 Confidence Interval Detail
Collingsworth County
044-902/Wellington ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 12,893,080 | 0.8386 | 15,374,529 | 10 | 427 | 0.107138782 |
| A | 12,656,520 | 0.9504 | 13,317,045 | 10 | 189 | 0.005300320 |
| A | 12,913,410 | 1.0366 | 12,457,467 | 8 | 125 | 0.004794045 |
| A | 16,307,500 | 0.9956 | 16,379,570 | 9 | 98 | 0.001942208 |
| E | 21,026,720 | 0.9604 | 21,893,711 | 16 | 342 | 0.021307221 |
| F1 | 2,955,010 | 1.0017 | 2,949,995 | 9 | 68 | 0.002284874 |
| F1 | 2,291,850 | 0.9956 | 2,301,979 | 7 | 16 | 0.007544806 |
| Random Totals: | 81,044,090 | 84,674,296 | 69 | 1,265 | ||
| CATG D1 EXCEPTION VALUES: | 31,383,029 | 34,825,543 | ||||
| CATG F1 EXCEPTION VALUES: | 3,860,400 | 3,752,179 | ||||
| CATG J EXCEPTION VALUES: | 18,259,660 | 19,220,694 | ||||
| Total Test Values | 134,547,179 | 142,472,712 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,123,636 |
Confidence Interval Values(5)
| Local Test Value: | 134,547,179 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 135,349,076 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 149,596,348 | (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