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Collingsworth County
2019 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 | 8,952,460 | 0.7754 | 11,545,602 | 15 | 387 | 0.047097646 |
| A | 10,610,160 | 0.7766 | 13,662,323 | 16 | 207 | 0.037942115 |
| A | 10,441,250 | 0.7823 | 13,346,862 | 16 | 123 | 0.041997693 |
| A | 13,437,390 | 1.0000 | 13,437,390 | 15 | 90 | 0.017424652 |
| E | 19,520,900 | 1.0089 | 19,348,697 | 20 | 340 | 0.080330461 |
| F1 | 2,475,250 | 0.7402 | 3,344,029 | 15 | 85 | 0.309331593 |
| F1 | 2,526,190 | 0.8801 | 2,870,344 | 12 | 21 | 0.032261338 |
| F1 | 2,218,250 | 0.9955 | 2,228,277 | 8 | 10 | 0.014321421 |
| F1 | 3,025,450 | 0.9940 | 3,043,712 | 3 | 5 | 0.004600561 |
| Random Totals: | 73,207,300 | 82,827,236 | 120 | 1,268 | ||
| CATG D1 EXCEPTION VALUES: | 35,098,874 | 48,658,831 | ||||
| CATG L1 EXCEPTION VALUES: | 3,090,690 | 2,982,753 | ||||
| Total Test Values(2) | 111,396,864 | 134,468,820 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 6,723,441 |
Confidence Interval Values(5)
| Local Test Value: | 111,396,864 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 127,745,379 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 141,192,261 | (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