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Collingsworth County
2024 Confidence Interval Detail
Collingsworth County
044-902/Wellington ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 17,070,860 | 0.6818 | 25,037,929 | 13 | 399 | 0.078500502 |
| A | 3 | 17,181,000 | 0.8281 | 20,747,494 | 12 | 179 | 0.033236225 |
| A | 4 | 18,112,170 | 0.8663 | 20,907,503 | 13 | 124 | 0.019031734 |
| A | 5 | 27,428,530 | 0.9470 | 28,963,601 | 14 | 115 | 0.013435829 |
| E | 0 | 29,421,560 | 0.8170 | 36,011,701 | 20 | 336 | 0.166052133 |
| Random Totals: | 109,214,120 | 131,668,228 | 72 | 1,153 | |||
| CATG D1 EXCEPTION VALUES: | 39,316,818 | 27,805,268 | |||||
| CATG J EXCEPTION VALUES: | 19,782,300 | 20,810,768 | |||||
| Total Test Values | 168,313,238 | 180,284,264 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,014,213 |
Confidence Interval Values(5)
| Local Test Value: | 168,313,238 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 171,270,051 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 189,298,477 | (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